21780708

素因数分解:

$2^2\times 3^1\times {\mathrm{967}}^1\times {\mathrm{1877}}^1$

素因数の和:2851

約数の個数: 24

約数和(自身を含む): 50901312

約数和(自身を除く): 29120604

約数列:

[1, 2, 3, 4, 6, 12, 967, 1877, 1934, 2901, 3754, 3868, 5631, 5802, 7508, 11262, 11604, 22524, 1815059, 3630118, 5445177, 7260236, 10890354, 21780708]

約数ペア:

[(1, 21780708), (2, 10890354), (3, 7260236), (4, 5445177), (6, 3630118), (12, 1815059), (967, 22524), (1877, 11604), (1934, 11262), (2901, 7508), (3754, 5802), (3868, 5631)]