21685468

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4933}}^1$

素因数の和:5101

約数の個数: 24

約数和(自身を含む): 43656032

約数和(自身を除く): 21970564

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4933, 9866, 19732, 34531, 69062, 138124, 774481, 1548962, 3097924, 5421367, 10842734, 21685468]

約数ペア:

[(1, 21685468), (2, 10842734), (4, 5421367), (7, 3097924), (14, 1548962), (28, 774481), (157, 138124), (314, 69062), (628, 34531), (1099, 19732), (2198, 9866), (4396, 4933)]