21989469595

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{655717}}^1$

素因数の和:656094

約数の個数: 16

約数和(自身を含む): 27854900640

約数和(自身を除く): 5865431045

約数列:

[1, 5, 19, 95, 353, 1765, 6707, 33535, 655717, 3278585, 12458623, 62293115, 231468101, 1157340505, 4397893919, 21989469595]

約数ペア:

[(1, 21989469595), (5, 4397893919), (19, 1157340505), (95, 231468101), (353, 62293115), (1765, 12458623), (6707, 3278585), (33535, 655717)]