21609988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{773}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 39334680

約数和(自身を除く): 17724692

約数列:

[1, 2, 4, 29, 58, 116, 241, 482, 773, 964, 1546, 3092, 6989, 13978, 22417, 27956, 44834, 89668, 186293, 372586, 745172, 5402497, 10804994, 21609988]

約数ペア:

[(1, 21609988), (2, 10804994), (4, 5402497), (29, 745172), (58, 372586), (116, 186293), (241, 89668), (482, 44834), (773, 27956), (964, 22417), (1546, 13978), (3092, 6989)]