21025992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67391}}^1$

素因数の和:67413

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 35583288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67391, 134782, 202173, 269564, 404346, 539128, 808692, 876083, 1617384, 1752166, 2628249, 3504332, 5256498, 7008664, 10512996, 21025992]

約数ペア:

[(1, 21025992), (2, 10512996), (3, 7008664), (4, 5256498), (6, 3504332), (8, 2628249), (12, 1752166), (13, 1617384), (24, 876083), (26, 808692), (39, 539128), (52, 404346), (78, 269564), (104, 202173), (156, 134782), (312, 67391)]