21303156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253609}}^1$

素因数の和:253623

約数の個数: 24

約数和(自身を含む): 56808640

約数和(自身を除く): 35505484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253609, 507218, 760827, 1014436, 1521654, 1775263, 3043308, 3550526, 5325789, 7101052, 10651578, 21303156]

約数ペア:

[(1, 21303156), (2, 10651578), (3, 7101052), (4, 5325789), (6, 3550526), (7, 3043308), (12, 1775263), (14, 1521654), (21, 1014436), (28, 760827), (42, 507218), (84, 253609)]