21740250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 64157184

約数和(自身を除く): 42416934

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 41, 42, 50, 70, 75, 82, 101, 105, 123, 125, 150, 175, 202, 205, 210, 246, 250, 287, 303, 350, 375, 410, 505, 525, 574, 606, 615, 707, 750, 861, 875, 1010, 1025, 1050, 1230, 1414, 1435, 1515, 1722, 1750, 2050, 2121, 2525, 2625, 2870, 3030, 3075, 3535, 4141, 4242, 4305, 5050, 5125, 5250, 6150, 7070, 7175, 7575, 8282, 8610, 10250, 10605, 12423, 12625, 14350, 15150, 15375, 17675, 20705, 21210, 21525, 24846, 25250, 28987, 30750, 35350, 35875, 37875, 41410, 43050, 53025, 57974, 62115, 71750, 75750, 86961, 88375, 103525, 106050, 107625, 124230, 144935, 173922, 176750, 207050, 215250, 265125, 289870, 310575, 434805, 517625, 530250, 621150, 724675, 869610, 1035250, 1449350, 1552875, 2174025, 3105750, 3623375, 4348050, 7246750, 10870125, 21740250]

約数ペア:

[(1, 21740250), (2, 10870125), (3, 7246750), (5, 4348050), (6, 3623375), (7, 3105750), (10, 2174025), (14, 1552875), (15, 1449350), (21, 1035250), (25, 869610), (30, 724675), (35, 621150), (41, 530250), (42, 517625), (50, 434805), (70, 310575), (75, 289870), (82, 265125), (101, 215250), (105, 207050), (123, 176750), (125, 173922), (150, 144935), (175, 124230), (202, 107625), (205, 106050), (210, 103525), (246, 88375), (250, 86961), (287, 75750), (303, 71750), (350, 62115), (375, 57974), (410, 53025), (505, 43050), (525, 41410), (574, 37875), (606, 35875), (615, 35350), (707, 30750), (750, 28987), (861, 25250), (875, 24846), (1010, 21525), (1025, 21210), (1050, 20705), (1230, 17675), (1414, 15375), (1435, 15150), (1515, 14350), (1722, 12625), (1750, 12423), (2050, 10605), (2121, 10250), (2525, 8610), (2625, 8282), (2870, 7575), (3030, 7175), (3075, 7070), (3535, 6150), (4141, 5250), (4242, 5125), (4305, 5050)]