21380606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5519}}^1$

素因数の和:5683

約数の個数: 16

約数和(自身を含む): 34776000

約数和(自身を除く): 13395394

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5519, 11038, 71747, 143494, 822331, 1644662, 10690303, 21380606]

約数ペア:

[(1, 21380606), (2, 10690303), (13, 1644662), (26, 822331), (149, 143494), (298, 71747), (1937, 11038), (3874, 5519)]