21752809855

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{787}}^1\times {\mathrm{1117}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 30732245856

約数和(自身を除く): 8979436001

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 787, 1117, 3535, 3935, 4949, 5509, 5585, 7819, 24745, 27545, 38563, 39095, 54733, 79487, 112817, 192815, 273665, 397435, 556409, 564085, 789719, 879079, 2782045, 3894863, 3948595, 4395395, 5528033, 6153553, 19474315, 27640165, 30767765, 43074871, 88786979, 215374355, 443934895, 621508853, 3107544265, 4350561971, 21752809855]

約数ペア:

[(1, 21752809855), (5, 4350561971), (7, 3107544265), (35, 621508853), (49, 443934895), (101, 215374355), (245, 88786979), (505, 43074871), (707, 30767765), (787, 27640165), (1117, 19474315), (3535, 6153553), (3935, 5528033), (4949, 4395395), (5509, 3948595), (5585, 3894863), (7819, 2782045), (24745, 879079), (27545, 789719), (38563, 564085), (39095, 556409), (54733, 397435), (79487, 273665), (112817, 192815)]