21991099

素因数分解:

${\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 24343200

約数和(自身を除く): 2352101

約数列:

[1, 13, 83, 89, 229, 1079, 1157, 2977, 7387, 19007, 20381, 96031, 247091, 264953, 1691623, 21991099]

約数ペア:

[(1, 21991099), (13, 1691623), (83, 264953), (89, 247091), (229, 96031), (1079, 20381), (1157, 19007), (2977, 7387)]