21781416

素因数分解:

$2^3\times 3^1\times {\mathrm{149}}^1\times {\mathrm{6091}}^1$

素因数の和:6249

約数の個数: 32

約数和(自身を含む): 54828000

約数和(自身を除く): 33046584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 149, 298, 447, 596, 894, 1192, 1788, 3576, 6091, 12182, 18273, 24364, 36546, 48728, 73092, 146184, 907559, 1815118, 2722677, 3630236, 5445354, 7260472, 10890708, 21781416]

約数ペア:

[(1, 21781416), (2, 10890708), (3, 7260472), (4, 5445354), (6, 3630236), (8, 2722677), (12, 1815118), (24, 907559), (149, 146184), (298, 73092), (447, 48728), (596, 36546), (894, 24364), (1192, 18273), (1788, 12182), (3576, 6091)]