21008142

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37649}}^1$

素因数の和:37688

約数の個数: 24

約数和(自身を含む): 46987200

約数和(自身を除く): 25979058

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37649, 75298, 112947, 225894, 338841, 677682, 1167119, 2334238, 3501357, 7002714, 10504071, 21008142]

約数ペア:

[(1, 21008142), (2, 10504071), (3, 7002714), (6, 3501357), (9, 2334238), (18, 1167119), (31, 677682), (62, 338841), (93, 225894), (186, 112947), (279, 75298), (558, 37649)]