21332909

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1163}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 24639552

約数和(自身を除く): 3306643

約数列:

[1, 13, 17, 83, 221, 1079, 1163, 1411, 15119, 18343, 19771, 96529, 257023, 1254877, 1640993, 21332909]

約数ペア:

[(1, 21332909), (13, 1640993), (17, 1254877), (83, 257023), (221, 96529), (1079, 19771), (1163, 18343), (1411, 15119)]