21391806

素因数分解:

$2^1\times 3^1\times {\mathrm{229}}^1\times {\mathrm{15569}}^1$

素因数の和:15803

約数の個数: 16

約数和(自身を含む): 42973200

約数和(自身を除く): 21581394

約数列:

[1, 2, 3, 6, 229, 458, 687, 1374, 15569, 31138, 46707, 93414, 3565301, 7130602, 10695903, 21391806]

約数ペア:

[(1, 21391806), (2, 10695903), (3, 7130602), (6, 3565301), (229, 93414), (458, 46707), (687, 31138), (1374, 15569)]