21781536

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32413}}^1$

素因数の和:32433

約数の個数: 48

約数和(自身を含む): 65346624

約数和(自身を除く): 43565088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 32413, 64826, 97239, 129652, 194478, 226891, 259304, 388956, 453782, 518608, 680673, 777912, 907564, 1037216, 1361346, 1555824, 1815128, 2722692, 3111648, 3630256, 5445384, 7260512, 10890768, 21781536]

約数ペア:

[(1, 21781536), (2, 10890768), (3, 7260512), (4, 5445384), (6, 3630256), (7, 3111648), (8, 2722692), (12, 1815128), (14, 1555824), (16, 1361346), (21, 1037216), (24, 907564), (28, 777912), (32, 680673), (42, 518608), (48, 453782), (56, 388956), (84, 259304), (96, 226891), (112, 194478), (168, 129652), (224, 97239), (336, 64826), (672, 32413)]