21131868

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{22291}}^1$

素因数の和:22377

約数の個数: 24

約数和(自身を含む): 49934080

約数和(自身を除く): 28802212

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 22291, 44582, 66873, 89164, 133746, 267492, 1760989, 3521978, 5282967, 7043956, 10565934, 21131868]

約数ペア:

[(1, 21131868), (2, 10565934), (3, 7043956), (4, 5282967), (6, 3521978), (12, 1760989), (79, 267492), (158, 133746), (237, 89164), (316, 66873), (474, 44582), (948, 22291)]