21292920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:330

約数の個数: 192

約数和(自身を含む): 79747200

約数和(自身を除く): 58454280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 264, 283, 285, 330, 342, 360, 380, 396, 418, 440, 456, 495, 566, 570, 627, 660, 684, 760, 792, 836, 849, 855, 990, 1045, 1132, 1140, 1254, 1320, 1368, 1415, 1672, 1698, 1710, 1881, 1980, 2090, 2264, 2280, 2508, 2547, 2830, 3113, 3135, 3396, 3420, 3762, 3960, 4180, 4245, 5016, 5094, 5377, 5660, 6226, 6270, 6792, 6840, 7524, 8360, 8490, 9339, 9405, 10188, 10754, 11320, 12452, 12540, 12735, 15048, 15565, 16131, 16980, 18678, 18810, 20376, 21508, 24904, 25080, 25470, 26885, 28017, 31130, 32262, 33960, 37356, 37620, 43016, 46695, 48393, 50940, 53770, 56034, 59147, 62260, 64524, 74712, 75240, 80655, 93390, 96786, 101880, 107540, 112068, 118294, 124520, 129048, 140085, 161310, 177441, 186780, 193572, 215080, 224136, 236588, 241965, 280170, 295735, 322620, 354882, 373560, 387144, 473176, 483930, 532323, 560340, 591470, 645240, 709764, 887205, 967860, 1064646, 1120680, 1182940, 1419528, 1774410, 1935720, 2129292, 2365880, 2661615, 3548820, 4258584, 5323230, 7097640, 10646460, 21292920]

約数ペア:

[(1, 21292920), (2, 10646460), (3, 7097640), (4, 5323230), (5, 4258584), (6, 3548820), (8, 2661615), (9, 2365880), (10, 2129292), (11, 1935720), (12, 1774410), (15, 1419528), (18, 1182940), (19, 1120680), (20, 1064646), (22, 967860), (24, 887205), (30, 709764), (33, 645240), (36, 591470), (38, 560340), (40, 532323), (44, 483930), (45, 473176), (55, 387144), (57, 373560), (60, 354882), (66, 322620), (72, 295735), (76, 280170), (88, 241965), (90, 236588), (95, 224136), (99, 215080), (110, 193572), (114, 186780), (120, 177441), (132, 161310), (152, 140085), (165, 129048), (171, 124520), (180, 118294), (190, 112068), (198, 107540), (209, 101880), (220, 96786), (228, 93390), (264, 80655), (283, 75240), (285, 74712), (330, 64524), (342, 62260), (360, 59147), (380, 56034), (396, 53770), (418, 50940), (440, 48393), (456, 46695), (495, 43016), (566, 37620), (570, 37356), (627, 33960), (660, 32262), (684, 31130), (760, 28017), (792, 26885), (836, 25470), (849, 25080), (855, 24904), (990, 21508), (1045, 20376), (1132, 18810), (1140, 18678), (1254, 16980), (1320, 16131), (1368, 15565), (1415, 15048), (1672, 12735), (1698, 12540), (1710, 12452), (1881, 11320), (1980, 10754), (2090, 10188), (2264, 9405), (2280, 9339), (2508, 8490), (2547, 8360), (2830, 7524), (3113, 6840), (3135, 6792), (3396, 6270), (3420, 6226), (3762, 5660), (3960, 5377), (4180, 5094), (4245, 5016)]