21556788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163309}}^1$

素因数の和:163327

約数の個数: 24

約数和(自身を含む): 54872160

約数和(自身を除く): 33315372

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 163309, 326618, 489927, 653236, 979854, 1796399, 1959708, 3592798, 5389197, 7185596, 10778394, 21556788]

約数ペア:

[(1, 21556788), (2, 10778394), (3, 7185596), (4, 5389197), (6, 3592798), (11, 1959708), (12, 1796399), (22, 979854), (33, 653236), (44, 489927), (66, 326618), (132, 163309)]