21891607

素因数分解:

${\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{1427}}^1$

素因数の和:1502

約数の個数: 12

約数和(自身を含む): 23690520

約数和(自身を除く): 1798913

約数列:

[1, 23, 29, 529, 667, 1427, 15341, 32821, 41383, 754883, 951809, 21891607]

約数ペア:

[(1, 21891607), (23, 951809), (29, 754883), (529, 41383), (667, 32821), (1427, 15341)]