21372263

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 24205824

約数和(自身を除く): 2833561

約数列:

[1, 11, 47, 67, 517, 617, 737, 3149, 6787, 28999, 34639, 41339, 318989, 454729, 1942933, 21372263]

約数ペア:

[(1, 21372263), (11, 1942933), (47, 454729), (67, 318989), (517, 41339), (617, 34639), (737, 28999), (3149, 6787)]