21553077

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6073}}^1$

素因数の和:6109

約数の個数: 24

約数和(自身を含む): 35569344

約数和(自身を除く): 14016267

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 6073, 18219, 42511, 78949, 127533, 236847, 552643, 1026337, 1657929, 3079011, 7184359, 21553077]

約数ペア:

[(1, 21553077), (3, 7184359), (7, 3079011), (13, 1657929), (21, 1026337), (39, 552643), (91, 236847), (169, 127533), (273, 78949), (507, 42511), (1183, 18219), (3549, 6073)]