21867856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47129}}^1$

素因数の和:47166

約数の個数: 20

約数和(自身を含む): 43830900

約数和(自身を除く): 21963044

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 47129, 94258, 188516, 377032, 754064, 1366741, 2733482, 5466964, 10933928, 21867856]

約数ペア:

[(1, 21867856), (2, 10933928), (4, 5466964), (8, 2733482), (16, 1366741), (29, 754064), (58, 377032), (116, 188516), (232, 94258), (464, 47129)]