21511924

素因数分解:

$2^2\times 7^1\times {\mathrm{827}}^1\times {\mathrm{929}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 43122240

約数和(自身を除く): 21610316

約数列:

[1, 2, 4, 7, 14, 28, 827, 929, 1654, 1858, 3308, 3716, 5789, 6503, 11578, 13006, 23156, 26012, 768283, 1536566, 3073132, 5377981, 10755962, 21511924]

約数ペア:

[(1, 21511924), (2, 10755962), (4, 5377981), (7, 3073132), (14, 1536566), (28, 768283), (827, 26012), (929, 23156), (1654, 13006), (1858, 11578), (3308, 6503), (3716, 5789)]