21942986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 38216640

約数和(自身を除く): 16273654

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1033, 1118, 1634, 2066, 10621, 13429, 19627, 21242, 26858, 39254, 44419, 88838, 255151, 510302, 577447, 843961, 1154894, 1687922, 10971493, 21942986]

約数ペア:

[(1, 21942986), (2, 10971493), (13, 1687922), (19, 1154894), (26, 843961), (38, 577447), (43, 510302), (86, 255151), (247, 88838), (494, 44419), (559, 39254), (817, 26858), (1033, 21242), (1118, 19627), (1634, 13429), (2066, 10621)]