21418804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3833}}^1$

素因数の和:3975

約数の個数: 24

約数和(自身を含む): 41223168

約数和(自身を除く): 19804364

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3833, 5588, 7666, 15332, 42163, 84326, 168652, 486791, 973582, 1947164, 5354701, 10709402, 21418804]

約数ペア:

[(1, 21418804), (2, 10709402), (4, 5354701), (11, 1947164), (22, 973582), (44, 486791), (127, 168652), (254, 84326), (508, 42163), (1397, 15332), (2794, 7666), (3833, 5588)]