21552570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 61261200

約数和(自身を除く): 39708630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 109, 117, 130, 169, 195, 218, 234, 327, 338, 390, 507, 545, 585, 654, 845, 981, 1014, 1090, 1170, 1417, 1521, 1635, 1690, 1962, 2197, 2535, 2834, 3042, 3270, 4251, 4394, 4905, 5070, 6591, 7085, 7605, 8502, 9810, 10985, 12753, 13182, 14170, 15210, 18421, 19773, 21255, 21970, 25506, 32955, 36842, 39546, 42510, 55263, 63765, 65910, 92105, 98865, 110526, 127530, 165789, 184210, 197730, 239473, 276315, 331578, 478946, 552630, 718419, 828945, 1197365, 1436838, 1657890, 2155257, 2394730, 3592095, 4310514, 7184190, 10776285, 21552570]

約数ペア:

[(1, 21552570), (2, 10776285), (3, 7184190), (5, 4310514), (6, 3592095), (9, 2394730), (10, 2155257), (13, 1657890), (15, 1436838), (18, 1197365), (26, 828945), (30, 718419), (39, 552630), (45, 478946), (65, 331578), (78, 276315), (90, 239473), (109, 197730), (117, 184210), (130, 165789), (169, 127530), (195, 110526), (218, 98865), (234, 92105), (327, 65910), (338, 63765), (390, 55263), (507, 42510), (545, 39546), (585, 36842), (654, 32955), (845, 25506), (981, 21970), (1014, 21255), (1090, 19773), (1170, 18421), (1417, 15210), (1521, 14170), (1635, 13182), (1690, 12753), (1962, 10985), (2197, 9810), (2535, 8502), (2834, 7605), (3042, 7085), (3270, 6591), (4251, 5070), (4394, 4905)]