21724828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9857}}^1$

素因数の和:9909

約数の個数: 24

約数和(自身を含む): 41403600

約数和(自身を除く): 19678772

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9857, 19714, 39428, 187283, 285853, 374566, 571706, 749132, 1143412, 5431207, 10862414, 21724828]

約数ペア:

[(1, 21724828), (2, 10862414), (4, 5431207), (19, 1143412), (29, 749132), (38, 571706), (58, 374566), (76, 285853), (116, 187283), (551, 39428), (1102, 19714), (2204, 9857)]