21068271805

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9868043}}^1$

素因数の和:9868116

約数の個数: 16

約数和(自身を含む): 29367298944

約数和(自身を除く): 8299027139

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9868043, 49340215, 69076301, 345381505, 601950623, 3009753115, 4213654361, 21068271805]

約数ペア:

[(1, 21068271805), (5, 4213654361), (7, 3009753115), (35, 601950623), (61, 345381505), (305, 69076301), (427, 49340215), (2135, 9868043)]