21188592

素因数分解:

$2^4\times 3^2\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:830

約数の個数: 60

約数和(自身を含む): 59627880

約数和(自身を除く): 38439288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 269, 538, 547, 807, 1076, 1094, 1614, 1641, 2152, 2188, 2421, 3228, 3282, 4304, 4376, 4842, 4923, 6456, 6564, 8752, 9684, 9846, 12912, 13128, 19368, 19692, 26256, 38736, 39384, 78768, 147143, 294286, 441429, 588572, 882858, 1177144, 1324287, 1765716, 2354288, 2648574, 3531432, 5297148, 7062864, 10594296, 21188592]

約数ペア:

[(1, 21188592), (2, 10594296), (3, 7062864), (4, 5297148), (6, 3531432), (8, 2648574), (9, 2354288), (12, 1765716), (16, 1324287), (18, 1177144), (24, 882858), (36, 588572), (48, 441429), (72, 294286), (144, 147143), (269, 78768), (538, 39384), (547, 38736), (807, 26256), (1076, 19692), (1094, 19368), (1614, 13128), (1641, 12912), (2152, 9846), (2188, 9684), (2421, 8752), (3228, 6564), (3282, 6456), (4304, 4923), (4376, 4842)]