21812388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3779}}^1$

素因数の和:3836

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 34494492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3779, 5772, 7558, 11337, 15116, 22674, 45348, 49127, 98254, 139823, 147381, 196508, 279646, 294762, 419469, 559292, 589524, 838938, 1677876, 1817699, 3635398, 5453097, 7270796, 10906194, 21812388]

約数ペア:

[(1, 21812388), (2, 10906194), (3, 7270796), (4, 5453097), (6, 3635398), (12, 1817699), (13, 1677876), (26, 838938), (37, 589524), (39, 559292), (52, 419469), (74, 294762), (78, 279646), (111, 196508), (148, 147381), (156, 139823), (222, 98254), (444, 49127), (481, 45348), (962, 22674), (1443, 15116), (1924, 11337), (2886, 7558), (3779, 5772)]