21185692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4261}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 40812912

約数和(自身を除く): 19627220

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4261, 4972, 8522, 17044, 46871, 93742, 187484, 481493, 962986, 1925972, 5296423, 10592846, 21185692]

約数ペア:

[(1, 21185692), (2, 10592846), (4, 5296423), (11, 1925972), (22, 962986), (44, 481493), (113, 187484), (226, 93742), (452, 46871), (1243, 17044), (2486, 8522), (4261, 4972)]