21000908028

素因数分解:

$2^2\times 3^1\times {\mathrm{51871}}^1\times {\mathrm{33739}}^1$

素因数の和:85617

約数の個数: 24

約数和(自身を含む): 49004515840

約数和(自身を除く): 28003607812

約数列:

[1, 2, 3, 4, 6, 12, 33739, 51871, 67478, 101217, 103742, 134956, 155613, 202434, 207484, 311226, 404868, 622452, 1750075669, 3500151338, 5250227007, 7000302676, 10500454014, 21000908028]

約数ペア:

[(1, 21000908028), (2, 10500454014), (3, 7000302676), (4, 5250227007), (6, 3500151338), (12, 1750075669), (33739, 622452), (51871, 404868), (67478, 311226), (101217, 207484), (103742, 202434), (134956, 155613)]