21356100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 108

約数和(自身を含む): 68211780

約数和(自身を除く): 46855680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 61, 75, 90, 100, 122, 150, 180, 183, 225, 244, 300, 305, 366, 389, 450, 549, 610, 732, 778, 900, 915, 1098, 1167, 1220, 1525, 1556, 1830, 1945, 2196, 2334, 2745, 3050, 3501, 3660, 3890, 4575, 4668, 5490, 5835, 6100, 7002, 7780, 9150, 9725, 10980, 11670, 13725, 14004, 17505, 18300, 19450, 23340, 23729, 27450, 29175, 35010, 38900, 47458, 54900, 58350, 70020, 71187, 87525, 94916, 116700, 118645, 142374, 175050, 213561, 237290, 284748, 350100, 355935, 427122, 474580, 593225, 711870, 854244, 1067805, 1186450, 1423740, 1779675, 2135610, 2372900, 3559350, 4271220, 5339025, 7118700, 10678050, 21356100]

約数ペア:

[(1, 21356100), (2, 10678050), (3, 7118700), (4, 5339025), (5, 4271220), (6, 3559350), (9, 2372900), (10, 2135610), (12, 1779675), (15, 1423740), (18, 1186450), (20, 1067805), (25, 854244), (30, 711870), (36, 593225), (45, 474580), (50, 427122), (60, 355935), (61, 350100), (75, 284748), (90, 237290), (100, 213561), (122, 175050), (150, 142374), (180, 118645), (183, 116700), (225, 94916), (244, 87525), (300, 71187), (305, 70020), (366, 58350), (389, 54900), (450, 47458), (549, 38900), (610, 35010), (732, 29175), (778, 27450), (900, 23729), (915, 23340), (1098, 19450), (1167, 18300), (1220, 17505), (1525, 14004), (1556, 13725), (1830, 11670), (1945, 10980), (2196, 9725), (2334, 9150), (2745, 7780), (3050, 7002), (3501, 6100), (3660, 5835), (3890, 5490), (4575, 4668)]