21804549

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1483}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 32588640

約数和(自身を除く): 10784091

約数列:

[1, 3, 13, 29, 39, 87, 169, 377, 507, 1131, 1483, 4449, 4901, 14703, 19279, 43007, 57837, 129021, 250627, 559091, 751881, 1677273, 7268183, 21804549]

約数ペア:

[(1, 21804549), (3, 7268183), (13, 1677273), (29, 751881), (39, 559091), (87, 250627), (169, 129021), (377, 57837), (507, 43007), (1131, 19279), (1483, 14703), (4449, 4901)]