21938973

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17707}}^1$

素因数の和:17776

約数の個数: 16

約数和(自身を含む): 33999360

約数和(自身を除く): 12060387

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 17707, 53121, 123949, 371847, 1044713, 3134139, 7312991, 21938973]

約数ペア:

[(1, 21938973), (3, 7312991), (7, 3134139), (21, 1044713), (59, 371847), (177, 123949), (413, 53121), (1239, 17707)]