21611534

素因数分解:

$2^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{1997}}^1$

素因数の和:2779

約数の個数: 16

約数和(自身を含む): 37114848

約数和(自身を除く): 15503314

約数列:

[1, 2, 7, 14, 773, 1546, 1997, 3994, 5411, 10822, 13979, 27958, 1543681, 3087362, 10805767, 21611534]

約数ペア:

[(1, 21611534), (2, 10805767), (7, 3087362), (14, 1543681), (773, 27958), (1546, 13979), (1997, 10822), (3994, 5411)]