21459676

素因数分解:

$2^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1163}}^1$

素因数の和:1833

約数の個数: 24

約数和(自身を含む): 43021440

約数和(自身を除く): 21561764

約数列:

[1, 2, 4, 7, 14, 28, 659, 1163, 1318, 2326, 2636, 4613, 4652, 8141, 9226, 16282, 18452, 32564, 766417, 1532834, 3065668, 5364919, 10729838, 21459676]

約数ペア:

[(1, 21459676), (2, 10729838), (4, 5364919), (7, 3065668), (14, 1532834), (28, 766417), (659, 32564), (1163, 18452), (1318, 16282), (2326, 9226), (2636, 8141), (4613, 4652)]