21673124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4519}}^1$

素因数の和:4643

約数の個数: 24

約数和(自身を含む): 41764800

約数和(自身を除く): 20091676

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4519, 4796, 9038, 18076, 49709, 99418, 198836, 492571, 985142, 1970284, 5418281, 10836562, 21673124]

約数ペア:

[(1, 21673124), (2, 10836562), (4, 5418281), (11, 1970284), (22, 985142), (44, 492571), (109, 198836), (218, 99418), (436, 49709), (1199, 18076), (2398, 9038), (4519, 4796)]