21403992

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{3391}}^1$

素因数の和:3663

約数の個数: 32

約数和(自身を含む): 53729280

約数和(自身を除く): 32325288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 3391, 6312, 6782, 10173, 13564, 20346, 27128, 40692, 81384, 891833, 1783666, 2675499, 3567332, 5350998, 7134664, 10701996, 21403992]

約数ペア:

[(1, 21403992), (2, 10701996), (3, 7134664), (4, 5350998), (6, 3567332), (8, 2675499), (12, 1783666), (24, 891833), (263, 81384), (526, 40692), (789, 27128), (1052, 20346), (1578, 13564), (2104, 10173), (3156, 6782), (3391, 6312)]