21175904

素因数分解:

$2^5\times {\mathrm{569}}^1\times {\mathrm{1163}}^1$

素因数の和:1742

約数の個数: 24

約数和(自身を含む): 41799240

約数和(自身を除く): 20623336

約数列:

[1, 2, 4, 8, 16, 32, 569, 1138, 1163, 2276, 2326, 4552, 4652, 9104, 9304, 18208, 18608, 37216, 661747, 1323494, 2646988, 5293976, 10587952, 21175904]

約数ペア:

[(1, 21175904), (2, 10587952), (4, 5293976), (8, 2646988), (16, 1323494), (32, 661747), (569, 37216), (1138, 18608), (1163, 18208), (2276, 9304), (2326, 9104), (4552, 4652)]