21320016

素因数分解:

$2^4\times 3^1\times {\mathrm{444167}}^1$

素因数の和:444178

約数の個数: 20

約数和(自身を含む): 55076832

約数和(自身を除く): 33756816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 444167, 888334, 1332501, 1776668, 2665002, 3553336, 5330004, 7106672, 10660008, 21320016]

約数ペア:

[(1, 21320016), (2, 10660008), (3, 7106672), (4, 5330004), (6, 3553336), (8, 2665002), (12, 1776668), (16, 1332501), (24, 888334), (48, 444167)]