21393224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86263}}^1$

素因数の和:86300

約数の個数: 16

約数和(自身を含む): 41406720

約数和(自身を除く): 20013496

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86263, 172526, 345052, 690104, 2674153, 5348306, 10696612, 21393224]

約数ペア:

[(1, 21393224), (2, 10696612), (4, 5348306), (8, 2674153), (31, 690104), (62, 345052), (124, 172526), (248, 86263)]