21992385025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2182867}}^1$

素因数の和:2182921

約数の個数: 24

約数和(自身を含む): 30315670784

約数和(自身を除く): 8323285759

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 2182867, 10914335, 28377271, 54571675, 67668877, 141886355, 338344385, 709431775, 879695401, 1691721925, 4398477005, 21992385025]

約数ペア:

[(1, 21992385025), (5, 4398477005), (13, 1691721925), (25, 879695401), (31, 709431775), (65, 338344385), (155, 141886355), (325, 67668877), (403, 54571675), (775, 28377271), (2015, 10914335), (10075, 2182867)]