21437719490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1\times {\mathrm{166429}}^1$

素因数の和:167618

約数の個数: 32

約数和(自身を含む): 42132087360

約数和(自身を除く): 20694367870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1171, 2342, 5855, 11710, 12881, 25762, 64405, 128810, 166429, 332858, 832145, 1664290, 1830719, 3661438, 9153595, 18307190, 194888359, 389776718, 974441795, 1948883590, 2143771949, 4287543898, 10718859745, 21437719490]

約数ペア:

[(1, 21437719490), (2, 10718859745), (5, 4287543898), (10, 2143771949), (11, 1948883590), (22, 974441795), (55, 389776718), (110, 194888359), (1171, 18307190), (2342, 9153595), (5855, 3661438), (11710, 1830719), (12881, 1664290), (25762, 832145), (64405, 332858), (128810, 166429)]