213305652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1031}}^1$

素因数の和:1869

約数の個数: 72

約数和(自身を含む): 617565312

約数和(自身を除く): 404259660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 821, 1031, 1642, 2062, 2463, 3093, 3284, 4124, 4926, 5747, 6186, 7217, 7389, 9279, 9852, 11494, 12372, 14434, 14778, 17241, 18558, 21651, 22988, 28868, 29556, 34482, 37116, 43302, 51723, 64953, 68964, 86604, 103446, 129906, 206892, 259812, 846451, 1692902, 2539353, 3385804, 5078706, 5925157, 7618059, 10157412, 11850314, 15236118, 17775471, 23700628, 30472236, 35550942, 53326413, 71101884, 106652826, 213305652]

約数ペア:

[(1, 213305652), (2, 106652826), (3, 71101884), (4, 53326413), (6, 35550942), (7, 30472236), (9, 23700628), (12, 17775471), (14, 15236118), (18, 11850314), (21, 10157412), (28, 7618059), (36, 5925157), (42, 5078706), (63, 3385804), (84, 2539353), (126, 1692902), (252, 846451), (821, 259812), (1031, 206892), (1642, 129906), (2062, 103446), (2463, 86604), (3093, 68964), (3284, 64953), (4124, 51723), (4926, 43302), (5747, 37116), (6186, 34482), (7217, 29556), (7389, 28868), (9279, 22988), (9852, 21651), (11494, 18558), (12372, 17241), (14434, 14778)]