21149758

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 16771202

約数列:

[1, 2, 7, 14, 29, 58, 113, 203, 226, 406, 461, 791, 922, 1582, 3227, 3277, 6454, 6554, 13369, 22939, 26738, 45878, 52093, 93583, 104186, 187166, 364651, 729302, 1510697, 3021394, 10574879, 21149758]

約数ペア:

[(1, 21149758), (2, 10574879), (7, 3021394), (14, 1510697), (29, 729302), (58, 364651), (113, 187166), (203, 104186), (226, 93583), (406, 52093), (461, 45878), (791, 26738), (922, 22939), (1582, 13369), (3227, 6554), (3277, 6454)]