21796721422

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25523093}}^1$

素因数の和:25523163

約数の個数: 16

約数和(自身を含む): 37978363872

約数和(自身を除く): 16181642450

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25523093, 51046186, 178661651, 357323302, 1556908673, 3113817346, 10898360711, 21796721422]

約数ペア:

[(1, 21796721422), (2, 10898360711), (7, 3113817346), (14, 1556908673), (61, 357323302), (122, 178661651), (427, 51046186), (854, 25523093)]