21769496

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2609}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 46980000

約数和(自身を除く): 25210504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2609, 4172, 5218, 8344, 10436, 18263, 20872, 36526, 73052, 146104, 388741, 777482, 1554964, 2721187, 3109928, 5442374, 10884748, 21769496]

約数ペア:

[(1, 21769496), (2, 10884748), (4, 5442374), (7, 3109928), (8, 2721187), (14, 1554964), (28, 777482), (56, 388741), (149, 146104), (298, 73052), (596, 36526), (1043, 20872), (1192, 18263), (2086, 10436), (2609, 8344), (4172, 5218)]