21480454435583

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{75445991}}^1$

素因数の和:75446207

約数の個数: 24

約数和(自身を含む): 25567439552928

約数和(自身を除く): 4086985117345

約数列:

[1, 11, 13, 121, 143, 181, 1573, 1991, 2353, 21901, 25883, 284713, 75445991, 829905901, 980797883, 9128964911, 10788776713, 13655724371, 118676543843, 150212968081, 177524416823, 1652342648891, 1952768585053, 21480454435583]

約数ペア:

[(1, 21480454435583), (11, 1952768585053), (13, 1652342648891), (121, 177524416823), (143, 150212968081), (181, 118676543843), (1573, 13655724371), (1991, 10788776713), (2353, 9128964911), (21901, 980797883), (25883, 829905901), (284713, 75445991)]