21628432

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6659}}^1$

素因数の和:6703

約数の個数: 40

約数和(自身を含む): 49550400

約数和(自身を除く): 27921968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6659, 13318, 26636, 46613, 53272, 93226, 106544, 186452, 193111, 372904, 386222, 745808, 772444, 1351777, 1544888, 2703554, 3089776, 5407108, 10814216, 21628432]

約数ペア:

[(1, 21628432), (2, 10814216), (4, 5407108), (7, 3089776), (8, 2703554), (14, 1544888), (16, 1351777), (28, 772444), (29, 745808), (56, 386222), (58, 372904), (112, 193111), (116, 186452), (203, 106544), (232, 93226), (406, 53272), (464, 46613), (812, 26636), (1624, 13318), (3248, 6659)]