21782677

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2713}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 26401792

約数和(自身を除く): 4619115

約数列:

[1, 7, 31, 37, 217, 259, 1147, 2713, 8029, 18991, 84103, 100381, 588721, 702667, 3111811, 21782677]

約数ペア:

[(1, 21782677), (7, 3111811), (31, 702667), (37, 588721), (217, 100381), (259, 84103), (1147, 18991), (2713, 8029)]