21531731

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 24595200

約数和(自身を除く): 3063469

約数列:

[1, 13, 19, 179, 247, 487, 2327, 3401, 6331, 9253, 44213, 87173, 120289, 1133249, 1656287, 21531731]

約数ペア:

[(1, 21531731), (13, 1656287), (19, 1133249), (179, 120289), (247, 87173), (487, 44213), (2327, 9253), (3401, 6331)]