21803150

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{10141}}^1$

素因数の和:10196

約数の個数: 24

約数和(自身を含む): 41501064

約数和(自身を除く): 19697914

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 10141, 20282, 50705, 101410, 253525, 436063, 507050, 872126, 2180315, 4360630, 10901575, 21803150]

約数ペア:

[(1, 21803150), (2, 10901575), (5, 4360630), (10, 2180315), (25, 872126), (43, 507050), (50, 436063), (86, 253525), (215, 101410), (430, 50705), (1075, 20282), (2150, 10141)]