21474530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^2$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 48482496

約数和(自身を除く): 27007966

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 167, 334, 385, 770, 835, 1169, 1670, 1837, 2338, 3674, 5845, 9185, 11690, 12859, 18370, 25718, 27889, 55778, 64295, 128590, 139445, 195223, 278890, 306779, 390446, 613558, 976115, 1533895, 1952230, 2147453, 3067790, 4294906, 10737265, 21474530]

約数ペア:

[(1, 21474530), (2, 10737265), (5, 4294906), (7, 3067790), (10, 2147453), (11, 1952230), (14, 1533895), (22, 976115), (35, 613558), (55, 390446), (70, 306779), (77, 278890), (110, 195223), (154, 139445), (167, 128590), (334, 64295), (385, 55778), (770, 27889), (835, 25718), (1169, 18370), (1670, 12859), (1837, 11690), (2338, 9185), (3674, 5845)]