21007822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14917298

約数列:

[1, 2, 11, 22, 43, 53, 86, 106, 419, 473, 583, 838, 946, 1166, 2279, 4558, 4609, 9218, 18017, 22207, 25069, 36034, 44414, 50138, 198187, 244277, 396374, 488554, 954901, 1909802, 10503911, 21007822]

約数ペア:

[(1, 21007822), (2, 10503911), (11, 1909802), (22, 954901), (43, 488554), (53, 396374), (86, 244277), (106, 198187), (419, 50138), (473, 44414), (583, 36034), (838, 25069), (946, 22207), (1166, 18017), (2279, 9218), (4558, 4609)]