21824465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10831}}^1$

素因数の和:10880

約数の個数: 16

約数和(自身を含む): 29116416

約数和(自身を除く): 7291951

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10831, 54155, 140803, 335761, 704015, 1678805, 4364893, 21824465]

約数ペア:

[(1, 21824465), (5, 4364893), (13, 1678805), (31, 704015), (65, 335761), (155, 140803), (403, 54155), (2015, 10831)]