21272911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{1231}}^1\times {\mathrm{1571}}^1$

素因数の和:2813

約数の個数: 8

約数和(自身を含む): 23240448

約数和(自身を除く): 1967537

約数列:

[1, 11, 1231, 1571, 13541, 17281, 1933901, 21272911]

約数ペア:

[(1, 21272911), (11, 1933901), (1231, 17281), (1571, 13541)]