21481138

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22901}}^1$

素因数の和:22977

約数の個数: 16

約数和(自身を含む): 37376064

約数和(自身を除く): 15894926

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22901, 45802, 160307, 320614, 1534367, 3068734, 10740569, 21481138]

約数ペア:

[(1, 21481138), (2, 10740569), (7, 3068734), (14, 1534367), (67, 320614), (134, 160307), (469, 45802), (938, 22901)]