21871314721

素因数分解:

${\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1\times {\mathrm{18913}}^1$

素因数の和:19440

約数の個数: 16

約数和(自身を含む): 23052685824

約数和(自身を除く): 1181371103

約数列:

[1, 23, 137, 367, 3151, 8441, 18913, 50279, 434999, 1156417, 2591081, 6941071, 59594863, 159644633, 950926727, 21871314721]

約数ペア:

[(1, 21871314721), (23, 950926727), (137, 159644633), (367, 59594863), (3151, 6941071), (8441, 2591081), (18913, 1156417), (50279, 434999)]