21306600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 87048000

約数和(自身を除く): 65741400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 25, 28, 30, 35, 36, 38, 40, 42, 45, 50, 56, 57, 60, 63, 70, 72, 75, 76, 84, 89, 90, 95, 100, 105, 114, 120, 126, 133, 140, 150, 152, 168, 171, 175, 178, 180, 190, 200, 210, 225, 228, 252, 266, 267, 280, 285, 300, 315, 342, 350, 356, 360, 380, 399, 420, 445, 450, 456, 475, 504, 525, 532, 534, 570, 600, 623, 630, 665, 684, 700, 712, 760, 798, 801, 840, 855, 890, 900, 950, 1050, 1064, 1068, 1140, 1197, 1246, 1260, 1330, 1335, 1368, 1400, 1425, 1575, 1596, 1602, 1691, 1710, 1780, 1800, 1869, 1900, 1995, 2100, 2136, 2225, 2280, 2394, 2492, 2520, 2660, 2670, 2850, 3115, 3150, 3192, 3204, 3325, 3382, 3420, 3560, 3738, 3800, 3990, 4005, 4200, 4275, 4450, 4788, 4984, 5073, 5320, 5340, 5607, 5700, 5985, 6230, 6300, 6408, 6650, 6675, 6764, 6840, 7476, 7980, 8010, 8455, 8550, 8900, 9345, 9576, 9975, 10146, 10680, 11214, 11400, 11837, 11970, 12460, 12600, 13300, 13350, 13528, 14952, 15219, 15575, 15960, 16020, 16910, 17100, 17800, 18690, 19950, 20025, 20292, 22428, 23674, 23940, 24920, 25365, 26600, 26700, 28035, 29925, 30438, 31150, 32040, 33820, 34200, 35511, 37380, 39900, 40050, 40584, 42275, 44856, 46725, 47348, 47880, 50730, 53400, 56070, 59185, 59850, 60876, 62300, 67640, 71022, 74760, 76095, 79800, 80100, 84550, 93450, 94696, 101460, 106533, 112140, 118370, 119700, 121752, 124600, 126825, 140175, 142044, 152190, 160200, 169100, 177555, 186900, 202920, 213066, 224280, 236740, 239400, 253650, 280350, 284088, 295925, 304380, 338200, 355110, 373800, 380475, 426132, 473480, 507300, 532665, 560700, 591850, 608760, 710220, 760950, 852264, 887775, 1014600, 1065330, 1121400, 1183700, 1420440, 1521900, 1775550, 2130660, 2367400, 2663325, 3043800, 3551100, 4261320, 5326650, 7102200, 10653300, 21306600]

約数ペア:

[(1, 21306600), (2, 10653300), (3, 7102200), (4, 5326650), (5, 4261320), (6, 3551100), (7, 3043800), (8, 2663325), (9, 2367400), (10, 2130660), (12, 1775550), (14, 1521900), (15, 1420440), (18, 1183700), (19, 1121400), (20, 1065330), (21, 1014600), (24, 887775), (25, 852264), (28, 760950), (30, 710220), (35, 608760), (36, 591850), (38, 560700), (40, 532665), (42, 507300), (45, 473480), (50, 426132), (56, 380475), (57, 373800), (60, 355110), (63, 338200), (70, 304380), (72, 295925), (75, 284088), (76, 280350), (84, 253650), (89, 239400), (90, 236740), (95, 224280), (100, 213066), (105, 202920), (114, 186900), (120, 177555), (126, 169100), (133, 160200), (140, 152190), (150, 142044), (152, 140175), (168, 126825), (171, 124600), (175, 121752), (178, 119700), (180, 118370), (190, 112140), (200, 106533), (210, 101460), (225, 94696), (228, 93450), (252, 84550), (266, 80100), (267, 79800), (280, 76095), (285, 74760), (300, 71022), (315, 67640), (342, 62300), (350, 60876), (356, 59850), (360, 59185), (380, 56070), (399, 53400), (420, 50730), (445, 47880), (450, 47348), (456, 46725), (475, 44856), (504, 42275), (525, 40584), (532, 40050), (534, 39900), (570, 37380), (600, 35511), (623, 34200), (630, 33820), (665, 32040), (684, 31150), (700, 30438), (712, 29925), (760, 28035), (798, 26700), (801, 26600), (840, 25365), (855, 24920), (890, 23940), (900, 23674), (950, 22428), (1050, 20292), (1064, 20025), (1068, 19950), (1140, 18690), (1197, 17800), (1246, 17100), (1260, 16910), (1330, 16020), (1335, 15960), (1368, 15575), (1400, 15219), (1425, 14952), (1575, 13528), (1596, 13350), (1602, 13300), (1691, 12600), (1710, 12460), (1780, 11970), (1800, 11837), (1869, 11400), (1900, 11214), (1995, 10680), (2100, 10146), (2136, 9975), (2225, 9576), (2280, 9345), (2394, 8900), (2492, 8550), (2520, 8455), (2660, 8010), (2670, 7980), (2850, 7476), (3115, 6840), (3150, 6764), (3192, 6675), (3204, 6650), (3325, 6408), (3382, 6300), (3420, 6230), (3560, 5985), (3738, 5700), (3800, 5607), (3990, 5340), (4005, 5320), (4200, 5073), (4275, 4984), (4450, 4788)]