21000751858

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{2281}}^1\times {\mathrm{58271}}^1$

素因数の和:60633

約数の個数: 16

約数和(自身を含む): 31914408960

約数和(自身を除く): 10913657102

約数列:

[1, 2, 79, 158, 2281, 4562, 58271, 116542, 180199, 360398, 4603409, 9206818, 132916151, 265832302, 10500375929, 21000751858]

約数ペア:

[(1, 21000751858), (2, 10500375929), (79, 265832302), (158, 132916151), (2281, 9206818), (4562, 4603409), (58271, 360398), (116542, 180199)]