21170216

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{1933}}^1$

素因数の和:2013

約数の個数: 24

約数和(自身を含む): 40817070

約数和(自身を除く): 19646854

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 1369, 1933, 2738, 3866, 5476, 7732, 10952, 15464, 71521, 143042, 286084, 572168, 2646277, 5292554, 10585108, 21170216]

約数ペア:

[(1, 21170216), (2, 10585108), (4, 5292554), (8, 2646277), (37, 572168), (74, 286084), (148, 143042), (296, 71521), (1369, 15464), (1933, 10952), (2738, 7732), (3866, 5476)]