21966128

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3803}}^1$

素因数の和:3849

約数の個数: 30

約数和(自身を含む): 44929044

約数和(自身を除く): 22962916

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3803, 5776, 7606, 15212, 30424, 60848, 72257, 144514, 289028, 578056, 1156112, 1372883, 2745766, 5491532, 10983064, 21966128]

約数ペア:

[(1, 21966128), (2, 10983064), (4, 5491532), (8, 2745766), (16, 1372883), (19, 1156112), (38, 578056), (76, 289028), (152, 144514), (304, 72257), (361, 60848), (722, 30424), (1444, 15212), (2888, 7606), (3803, 5776)]