21946408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2207}}^1$

素因数の和:2337

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 23361752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2207, 2486, 4414, 4972, 8828, 9944, 17656, 24277, 48554, 97108, 194216, 249391, 498782, 997564, 1995128, 2743301, 5486602, 10973204, 21946408]

約数ペア:

[(1, 21946408), (2, 10973204), (4, 5486602), (8, 2743301), (11, 1995128), (22, 997564), (44, 498782), (88, 249391), (113, 194216), (226, 97108), (452, 48554), (904, 24277), (1243, 17656), (2207, 9944), (2486, 8828), (4414, 4972)]