21584804512

素因数分解:

$2^5\times {\mathrm{991}}^1\times {\mathrm{680651}}^1$

素因数の和:681652

約数の個数: 24

約数和(自身を含む): 42538027392

約数和(自身を除く): 20953222880

約数列:

[1, 2, 4, 8, 16, 32, 991, 1982, 3964, 7928, 15856, 31712, 680651, 1361302, 2722604, 5445208, 10890416, 21780832, 674525141, 1349050282, 2698100564, 5396201128, 10792402256, 21584804512]

約数ペア:

[(1, 21584804512), (2, 10792402256), (4, 5396201128), (8, 2698100564), (16, 1349050282), (32, 674525141), (991, 21780832), (1982, 10890416), (3964, 5445208), (7928, 2722604), (15856, 1361302), (31712, 680651)]