21045399480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{41549}}^1$

素因数の和:41643

約数の個数: 256

約数和(自身を含む): 81371520000

約数和(自身を除く): 60326120520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 67, 70, 72, 84, 90, 105, 108, 120, 126, 134, 135, 140, 168, 180, 189, 201, 210, 216, 252, 268, 270, 280, 315, 335, 360, 378, 402, 420, 469, 504, 536, 540, 603, 630, 670, 756, 804, 840, 938, 945, 1005, 1080, 1206, 1260, 1340, 1407, 1512, 1608, 1809, 1876, 1890, 2010, 2345, 2412, 2520, 2680, 2814, 3015, 3618, 3752, 3780, 4020, 4221, 4690, 4824, 5628, 6030, 7035, 7236, 7560, 8040, 8442, 9045, 9380, 11256, 12060, 12663, 14070, 14472, 16884, 18090, 18760, 21105, 24120, 25326, 28140, 33768, 36180, 41549, 42210, 50652, 56280, 63315, 72360, 83098, 84420, 101304, 124647, 126630, 166196, 168840, 207745, 249294, 253260, 290843, 332392, 373941, 415490, 498588, 506520, 581686, 623235, 747882, 830980, 872529, 997176, 1121823, 1163372, 1246470, 1454215, 1495764, 1661960, 1745058, 1869705, 2243646, 2326744, 2492940, 2617587, 2783783, 2908430, 2991528, 3490116, 3739410, 4362645, 4487292, 4985880, 5235174, 5567566, 5609115, 5816860, 6980232, 7478820, 7852761, 8351349, 8725290, 8974584, 10470348, 11135132, 11218230, 11633720, 13087935, 13918915, 14957640, 15705522, 16702698, 17450580, 19486481, 20940696, 22270264, 22436460, 25054047, 26175870, 27837830, 31411044, 33405396, 34901160, 38972962, 39263805, 41756745, 44872920, 50108094, 52351740, 55675660, 58459443, 62822088, 66810792, 75162141, 77945924, 78527610, 83513490, 97432405, 100216188, 104703480, 111351320, 116918886, 125270235, 150324282, 155891848, 157055220, 167026980, 175378329, 194864810, 200432376, 233837772, 250540470, 292297215, 300648564, 314110440, 334053960, 350756658, 375810705, 389729620, 467675544, 501080940, 526134987, 584594430, 601297128, 701513316, 751621410, 779459240, 876891645, 1002161880, 1052269974, 1169188860, 1403026632, 1503242820, 1753783290, 2104539948, 2338377720, 2630674935, 3006485640, 3507566580, 4209079896, 5261349870, 7015133160, 10522699740, 21045399480]

約数ペア:

[(1, 21045399480), (2, 10522699740), (3, 7015133160), (4, 5261349870), (5, 4209079896), (6, 3507566580), (7, 3006485640), (8, 2630674935), (9, 2338377720), (10, 2104539948), (12, 1753783290), (14, 1503242820), (15, 1403026632), (18, 1169188860), (20, 1052269974), (21, 1002161880), (24, 876891645), (27, 779459240), (28, 751621410), (30, 701513316), (35, 601297128), (36, 584594430), (40, 526134987), (42, 501080940), (45, 467675544), (54, 389729620), (56, 375810705), (60, 350756658), (63, 334053960), (67, 314110440), (70, 300648564), (72, 292297215), (84, 250540470), (90, 233837772), (105, 200432376), (108, 194864810), (120, 175378329), (126, 167026980), (134, 157055220), (135, 155891848), (140, 150324282), (168, 125270235), (180, 116918886), (189, 111351320), (201, 104703480), (210, 100216188), (216, 97432405), (252, 83513490), (268, 78527610), (270, 77945924), (280, 75162141), (315, 66810792), (335, 62822088), (360, 58459443), (378, 55675660), (402, 52351740), (420, 50108094), (469, 44872920), (504, 41756745), (536, 39263805), (540, 38972962), (603, 34901160), (630, 33405396), (670, 31411044), (756, 27837830), (804, 26175870), (840, 25054047), (938, 22436460), (945, 22270264), (1005, 20940696), (1080, 19486481), (1206, 17450580), (1260, 16702698), (1340, 15705522), (1407, 14957640), (1512, 13918915), (1608, 13087935), (1809, 11633720), (1876, 11218230), (1890, 11135132), (2010, 10470348), (2345, 8974584), (2412, 8725290), (2520, 8351349), (2680, 7852761), (2814, 7478820), (3015, 6980232), (3618, 5816860), (3752, 5609115), (3780, 5567566), (4020, 5235174), (4221, 4985880), (4690, 4487292), (4824, 4362645), (5628, 3739410), (6030, 3490116), (7035, 2991528), (7236, 2908430), (7560, 2783783), (8040, 2617587), (8442, 2492940), (9045, 2326744), (9380, 2243646), (11256, 1869705), (12060, 1745058), (12663, 1661960), (14070, 1495764), (14472, 1454215), (16884, 1246470), (18090, 1163372), (18760, 1121823), (21105, 997176), (24120, 872529), (25326, 830980), (28140, 747882), (33768, 623235), (36180, 581686), (41549, 506520), (42210, 498588), (50652, 415490), (56280, 373941), (63315, 332392), (72360, 290843), (83098, 253260), (84420, 249294), (101304, 207745), (124647, 168840), (126630, 166196)]