21547672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141761}}^1$

素因数の和:141786

約数の個数: 16

約数和(自身を含む): 42528600

約数和(自身を除く): 20980928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141761, 283522, 567044, 1134088, 2693459, 5386918, 10773836, 21547672]

約数ペア:

[(1, 21547672), (2, 10773836), (4, 5386918), (8, 2693459), (19, 1134088), (38, 567044), (76, 283522), (152, 141761)]