21105992

素因数分解:

$2^3\times {\mathrm{773}}^1\times {\mathrm{3413}}^1$

素因数の和:4192

約数の個数: 16

約数和(自身を含む): 39636540

約数和(自身を除く): 18530548

約数列:

[1, 2, 4, 8, 773, 1546, 3092, 3413, 6184, 6826, 13652, 27304, 2638249, 5276498, 10552996, 21105992]

約数ペア:

[(1, 21105992), (2, 10552996), (4, 5276498), (8, 2638249), (773, 27304), (1546, 13652), (3092, 6826), (3413, 6184)]