21129968294212

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{709}}^1\times {\mathrm{23803909}}^1$

素因数の和:23804935

約数の個数: 24

約数和(自身を含む): 37147905867800

約数和(自身を除く): 16017937573588

約数列:

[1, 2, 4, 313, 626, 709, 1252, 1418, 2836, 221917, 443834, 887668, 23803909, 47607818, 95215636, 7450623517, 14901247034, 16876971481, 29802494068, 33753942962, 67507885924, 5282492073553, 10564984147106, 21129968294212]

約数ペア:

[(1, 21129968294212), (2, 10564984147106), (4, 5282492073553), (313, 67507885924), (626, 33753942962), (709, 29802494068), (1252, 16876971481), (1418, 14901247034), (2836, 7450623517), (221917, 95215636), (443834, 47607818), (887668, 23803909)]