21501430561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{15271}}^1$

素因数の和:15601

約数の個数: 32

約数和(自身を含む): 25677485568

約数和(自身を除く): 4176055007

約数列:

[1, 13, 17, 23, 221, 277, 299, 391, 3601, 4709, 5083, 6371, 15271, 61217, 82823, 108307, 198523, 259607, 351233, 1407991, 3374891, 4230067, 4566029, 5970961, 54990871, 71911139, 77622493, 97291541, 934844807, 1264790033, 1653956197, 21501430561]

約数ペア:

[(1, 21501430561), (13, 1653956197), (17, 1264790033), (23, 934844807), (221, 97291541), (277, 77622493), (299, 71911139), (391, 54990871), (3601, 5970961), (4709, 4566029), (5083, 4230067), (6371, 3374891), (15271, 1407991), (61217, 351233), (82823, 259607), (108307, 198523)]