21883778

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4931}}^1$

素因数の和:5257

約数の個数: 16

約数和(自身を含む): 37641024

約数和(自身を除く): 15757246

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 4931, 9862, 34517, 69034, 1563127, 3126254, 10941889, 21883778]

約数ペア:

[(1, 21883778), (2, 10941889), (7, 3126254), (14, 1563127), (317, 69034), (634, 34517), (2219, 9862), (4438, 4931)]