21000688809

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{4253}}^1\times {\mathrm{86629}}^1$

素因数の和:90904

約数の個数: 16

約数和(自身を含む): 29481921600

約数和(自身を除く): 8481232791

約数列:

[1, 3, 19, 57, 4253, 12759, 80807, 86629, 242421, 259887, 1645951, 4937853, 368433137, 1105299411, 7000229603, 21000688809]

約数ペア:

[(1, 21000688809), (3, 7000229603), (19, 1105299411), (57, 368433137), (4253, 4937853), (12759, 1645951), (80807, 259887), (86629, 242421)]