21232408

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 41796000

約数和(自身を除く): 20563592

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 1289, 2059, 2578, 4118, 5156, 8236, 10312, 16472, 37381, 74762, 91519, 149524, 183038, 299048, 366076, 732152, 2654051, 5308102, 10616204, 21232408]

約数ペア:

[(1, 21232408), (2, 10616204), (4, 5308102), (8, 2654051), (29, 732152), (58, 366076), (71, 299048), (116, 183038), (142, 149524), (232, 91519), (284, 74762), (568, 37381), (1289, 16472), (2059, 10312), (2578, 8236), (4118, 5156)]