21035911

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 23623488

約数和(自身を除く): 2587577

約数列:

[1, 13, 41, 61, 533, 647, 793, 2501, 8411, 26527, 32513, 39467, 344851, 513071, 1618147, 21035911]

約数ペア:

[(1, 21035911), (13, 1618147), (41, 513071), (61, 344851), (533, 39467), (647, 32513), (793, 26527), (2501, 8411)]