21371569219

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1940929}}^1$

素因数の和:1940971

約数の個数: 24

約数和(自身を含む): 28912093280

約数和(自身を除く): 7540524061

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 11011, 1940929, 13586503, 21350219, 25232077, 149451533, 176624539, 234852409, 277552847, 1643966863, 1942869929, 3053081317, 21371569219]

約数ペア:

[(1, 21371569219), (7, 3053081317), (11, 1942869929), (13, 1643966863), (77, 277552847), (91, 234852409), (121, 176624539), (143, 149451533), (847, 25232077), (1001, 21350219), (1573, 13586503), (11011, 1940929)]