21585636

素因数分解:

$2^2\times 3^3\times {\mathrm{269}}^1\times {\mathrm{743}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 34660764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 269, 538, 743, 807, 1076, 1486, 1614, 2229, 2421, 2972, 3228, 4458, 4842, 6687, 7263, 8916, 9684, 13374, 14526, 20061, 26748, 29052, 40122, 80244, 199867, 399734, 599601, 799468, 1199202, 1798803, 2398404, 3597606, 5396409, 7195212, 10792818, 21585636]

約数ペア:

[(1, 21585636), (2, 10792818), (3, 7195212), (4, 5396409), (6, 3597606), (9, 2398404), (12, 1798803), (18, 1199202), (27, 799468), (36, 599601), (54, 399734), (108, 199867), (269, 80244), (538, 40122), (743, 29052), (807, 26748), (1076, 20061), (1486, 14526), (1614, 13374), (2229, 9684), (2421, 8916), (2972, 7263), (3228, 6687), (4458, 4842)]