21205254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26573}}^1$

素因数の和:26604

約数の個数: 32

約数和(自身を含む): 51022080

約数和(自身を除く): 29816826

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26573, 53146, 79719, 159438, 186011, 372022, 504887, 558033, 1009774, 1116066, 1514661, 3029322, 3534209, 7068418, 10602627, 21205254]

約数ペア:

[(1, 21205254), (2, 10602627), (3, 7068418), (6, 3534209), (7, 3029322), (14, 1514661), (19, 1116066), (21, 1009774), (38, 558033), (42, 504887), (57, 372022), (114, 186011), (133, 159438), (266, 79719), (399, 53146), (798, 26573)]