21155903999

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{674851}}^1$

素因数の和:674950

約数の個数: 16

約数和(自身を含む): 23322885120

約数和(自身を除く): 2166981121

約数列:

[1, 23, 29, 47, 667, 1081, 1363, 31349, 674851, 15521573, 19570679, 31717997, 450125617, 729513931, 919821913, 21155903999]

約数ペア:

[(1, 21155903999), (23, 919821913), (29, 729513931), (47, 450125617), (667, 31717997), (1081, 19570679), (1363, 15521573), (31349, 674851)]