21381263444

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{1613}}^1\times {\mathrm{30971}}^1$

素因数の和:32695

約数の個数: 24

約数和(自身を含む): 37791538848

約数和(自身を除く): 16410275404

約数列:

[1, 2, 4, 107, 214, 428, 1613, 3226, 6452, 30971, 61942, 123884, 172591, 345182, 690364, 3313897, 6627794, 13255588, 49956223, 99912446, 199824892, 5345315861, 10690631722, 21381263444]

約数ペア:

[(1, 21381263444), (2, 10690631722), (4, 5345315861), (107, 199824892), (214, 99912446), (428, 49956223), (1613, 13255588), (3226, 6627794), (6452, 3313897), (30971, 690364), (61942, 345182), (123884, 172591)]