21698260

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9601}}^1$

素因数の和:9723

約数の個数: 24

約数和(自身を含む): 45974376

約数和(自身を除く): 24276116

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9601, 19202, 38404, 48005, 96010, 192020, 1084913, 2169826, 4339652, 5424565, 10849130, 21698260]

約数ペア:

[(1, 21698260), (2, 10849130), (4, 5424565), (5, 4339652), (10, 2169826), (20, 1084913), (113, 192020), (226, 96010), (452, 48005), (565, 38404), (1130, 19202), (2260, 9601)]