21120805610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1\times {\mathrm{2213}}^1$

素因数の和:4079

約数の個数: 64

約数和(自身を含む): 41594010624

約数和(自身を除く): 20473205014

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 1811, 2213, 2635, 3622, 4426, 5270, 9055, 11065, 18110, 22130, 30787, 37621, 56141, 61574, 68603, 75242, 112282, 137206, 153935, 188105, 280705, 307870, 343015, 376210, 561410, 686030, 954397, 1166251, 1908794, 2332502, 4007743, 4771985, 5831255, 8015486, 9543970, 11662510, 20038715, 40077430, 68131631, 124240033, 136263262, 248480066, 340658155, 621200165, 681316310, 1242400330, 2112080561, 4224161122, 10560402805, 21120805610]

約数ペア:

[(1, 21120805610), (2, 10560402805), (5, 4224161122), (10, 2112080561), (17, 1242400330), (31, 681316310), (34, 621200165), (62, 340658155), (85, 248480066), (155, 136263262), (170, 124240033), (310, 68131631), (527, 40077430), (1054, 20038715), (1811, 11662510), (2213, 9543970), (2635, 8015486), (3622, 5831255), (4426, 4771985), (5270, 4007743), (9055, 2332502), (11065, 1908794), (18110, 1166251), (22130, 954397), (30787, 686030), (37621, 561410), (56141, 376210), (61574, 343015), (68603, 307870), (75242, 280705), (112282, 188105), (137206, 153935)]