21268263

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3221}}^1$

素因数の和:3326

約数の個数: 16

約数和(自身を含む): 29693952

約数和(自身を除く): 8425689

約数列:

[1, 3, 31, 71, 93, 213, 2201, 3221, 6603, 9663, 99851, 228691, 299553, 686073, 7089421, 21268263]

約数ペア:

[(1, 21268263), (3, 7089421), (31, 686073), (71, 299553), (93, 228691), (213, 99851), (2201, 9663), (3221, 6603)]