21163050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:508

約数の個数: 72

約数和(自身を含む): 57451680

約数和(自身を除く): 36288630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 131, 150, 225, 262, 359, 393, 450, 655, 718, 786, 1077, 1179, 1310, 1795, 1965, 2154, 2358, 3231, 3275, 3590, 3930, 5385, 5895, 6462, 6550, 8975, 9825, 10770, 11790, 16155, 17950, 19650, 26925, 29475, 32310, 47029, 53850, 58950, 80775, 94058, 141087, 161550, 235145, 282174, 423261, 470290, 705435, 846522, 1175725, 1410870, 2116305, 2351450, 3527175, 4232610, 7054350, 10581525, 21163050]

約数ペア:

[(1, 21163050), (2, 10581525), (3, 7054350), (5, 4232610), (6, 3527175), (9, 2351450), (10, 2116305), (15, 1410870), (18, 1175725), (25, 846522), (30, 705435), (45, 470290), (50, 423261), (75, 282174), (90, 235145), (131, 161550), (150, 141087), (225, 94058), (262, 80775), (359, 58950), (393, 53850), (450, 47029), (655, 32310), (718, 29475), (786, 26925), (1077, 19650), (1179, 17950), (1310, 16155), (1795, 11790), (1965, 10770), (2154, 9825), (2358, 8975), (3231, 6550), (3275, 6462), (3590, 5895), (3930, 5385)]