21407652

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9439}}^1$

素因数の和:9462

約数の個数: 60

約数和(自身を含む): 63965440

約数和(自身を除く): 42557788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9439, 18878, 28317, 37756, 56634, 66073, 84951, 113268, 132146, 169902, 198219, 254853, 264292, 339804, 396438, 509706, 594657, 764559, 792876, 1019412, 1189314, 1529118, 1783971, 2378628, 3058236, 3567942, 5351913, 7135884, 10703826, 21407652]

約数ペア:

[(1, 21407652), (2, 10703826), (3, 7135884), (4, 5351913), (6, 3567942), (7, 3058236), (9, 2378628), (12, 1783971), (14, 1529118), (18, 1189314), (21, 1019412), (27, 792876), (28, 764559), (36, 594657), (42, 509706), (54, 396438), (63, 339804), (81, 264292), (84, 254853), (108, 198219), (126, 169902), (162, 132146), (189, 113268), (252, 84951), (324, 66073), (378, 56634), (567, 37756), (756, 28317), (1134, 18878), (2268, 9439)]