21648366

素因数分解:

$2^1\times 3^2\times {\mathrm{977}}^1\times {\mathrm{1231}}^1$

素因数の和:2216

約数の個数: 24

約数和(自身を含む): 46990944

約数和(自身を除く): 25342578

約数列:

[1, 2, 3, 6, 9, 18, 977, 1231, 1954, 2462, 2931, 3693, 5862, 7386, 8793, 11079, 17586, 22158, 1202687, 2405374, 3608061, 7216122, 10824183, 21648366]

約数ペア:

[(1, 21648366), (2, 10824183), (3, 7216122), (6, 3608061), (9, 2405374), (18, 1202687), (977, 22158), (1231, 17586), (1954, 11079), (2462, 8793), (2931, 7386), (3693, 5862)]