21397288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{14303}}^1$

素因数の和:14337

約数の個数: 32

約数和(自身を含む): 46344960

約数和(自身を除く): 24947672

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 14303, 28606, 57212, 114424, 157333, 243151, 314666, 486302, 629332, 972604, 1258664, 1945208, 2674661, 5349322, 10698644, 21397288]

約数ペア:

[(1, 21397288), (2, 10698644), (4, 5349322), (8, 2674661), (11, 1945208), (17, 1258664), (22, 972604), (34, 629332), (44, 486302), (68, 314666), (88, 243151), (136, 157333), (187, 114424), (374, 57212), (748, 28606), (1496, 14303)]