21147462

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3633

約数の個数: 48

約数和(自身を含む): 53494272

約数和(自身を除く): 32346810

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3571, 5922, 7142, 10713, 21426, 24997, 32139, 49994, 64278, 74991, 149982, 167837, 224973, 335674, 449946, 503511, 1007022, 1174859, 1510533, 2349718, 3021066, 3524577, 7049154, 10573731, 21147462]

約数ペア:

[(1, 21147462), (2, 10573731), (3, 7049154), (6, 3524577), (7, 3021066), (9, 2349718), (14, 1510533), (18, 1174859), (21, 1007022), (42, 503511), (47, 449946), (63, 335674), (94, 224973), (126, 167837), (141, 149982), (282, 74991), (329, 64278), (423, 49994), (658, 32139), (846, 24997), (987, 21426), (1974, 10713), (2961, 7142), (3571, 5922)]