21325920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1$

素因数の和:613

約数の個数: 192

約数和(自身を含む): 83897856

約数和(自身を除く): 62571936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 560, 577, 616, 660, 672, 770, 840, 880, 924, 1056, 1120, 1154, 1155, 1232, 1320, 1540, 1680, 1731, 1760, 1848, 2308, 2310, 2464, 2640, 2885, 3080, 3360, 3462, 3696, 4039, 4616, 4620, 5280, 5770, 6160, 6347, 6924, 7392, 8078, 8655, 9232, 9240, 11540, 12117, 12320, 12694, 13848, 16156, 17310, 18464, 18480, 19041, 20195, 23080, 24234, 25388, 27696, 31735, 32312, 34620, 36960, 38082, 40390, 44429, 46160, 48468, 50776, 55392, 60585, 63470, 64624, 69240, 76164, 80780, 88858, 92320, 95205, 96936, 101552, 121170, 126940, 129248, 133287, 138480, 152328, 161560, 177716, 190410, 193872, 203104, 222145, 242340, 253880, 266574, 276960, 304656, 323120, 355432, 380820, 387744, 444290, 484680, 507760, 533148, 609312, 646240, 666435, 710864, 761640, 888580, 969360, 1015520, 1066296, 1332870, 1421728, 1523280, 1777160, 1938720, 2132592, 2665740, 3046560, 3554320, 4265184, 5331480, 7108640, 10662960, 21325920]

約数ペア:

[(1, 21325920), (2, 10662960), (3, 7108640), (4, 5331480), (5, 4265184), (6, 3554320), (7, 3046560), (8, 2665740), (10, 2132592), (11, 1938720), (12, 1777160), (14, 1523280), (15, 1421728), (16, 1332870), (20, 1066296), (21, 1015520), (22, 969360), (24, 888580), (28, 761640), (30, 710864), (32, 666435), (33, 646240), (35, 609312), (40, 533148), (42, 507760), (44, 484680), (48, 444290), (55, 387744), (56, 380820), (60, 355432), (66, 323120), (70, 304656), (77, 276960), (80, 266574), (84, 253880), (88, 242340), (96, 222145), (105, 203104), (110, 193872), (112, 190410), (120, 177716), (132, 161560), (140, 152328), (154, 138480), (160, 133287), (165, 129248), (168, 126940), (176, 121170), (210, 101552), (220, 96936), (224, 95205), (231, 92320), (240, 88858), (264, 80780), (280, 76164), (308, 69240), (330, 64624), (336, 63470), (352, 60585), (385, 55392), (420, 50776), (440, 48468), (462, 46160), (480, 44429), (528, 40390), (560, 38082), (577, 36960), (616, 34620), (660, 32312), (672, 31735), (770, 27696), (840, 25388), (880, 24234), (924, 23080), (1056, 20195), (1120, 19041), (1154, 18480), (1155, 18464), (1232, 17310), (1320, 16156), (1540, 13848), (1680, 12694), (1731, 12320), (1760, 12117), (1848, 11540), (2308, 9240), (2310, 9232), (2464, 8655), (2640, 8078), (2885, 7392), (3080, 6924), (3360, 6347), (3462, 6160), (3696, 5770), (4039, 5280), (4616, 4620)]