21268097279

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{711617}}^1$

素因数の和:711671

約数の個数: 24

約数和(自身を含む): 26500654320

約数和(自身を除く): 5232557041

約数列:

[1, 11, 13, 19, 121, 143, 209, 247, 1573, 2299, 2717, 29887, 711617, 7827787, 9251021, 13520723, 86105657, 101761231, 148727953, 175769399, 1119373541, 1636007483, 1933463389, 21268097279]

約数ペア:

[(1, 21268097279), (11, 1933463389), (13, 1636007483), (19, 1119373541), (121, 175769399), (143, 148727953), (209, 101761231), (247, 86105657), (1573, 13520723), (2299, 9251021), (2717, 7827787), (29887, 711617)]