21176904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{541}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 60877440

約数和(自身を除く): 39700536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 233, 466, 541, 699, 932, 1082, 1398, 1623, 1631, 1864, 2164, 2796, 3246, 3262, 3787, 4328, 4893, 5592, 6492, 6524, 7574, 9786, 11361, 12984, 13048, 15148, 19572, 22722, 30296, 39144, 45444, 90888, 126053, 252106, 378159, 504212, 756318, 882371, 1008424, 1512636, 1764742, 2647113, 3025272, 3529484, 5294226, 7058968, 10588452, 21176904]

約数ペア:

[(1, 21176904), (2, 10588452), (3, 7058968), (4, 5294226), (6, 3529484), (7, 3025272), (8, 2647113), (12, 1764742), (14, 1512636), (21, 1008424), (24, 882371), (28, 756318), (42, 504212), (56, 378159), (84, 252106), (168, 126053), (233, 90888), (466, 45444), (541, 39144), (699, 30296), (932, 22722), (1082, 19572), (1398, 15148), (1623, 13048), (1631, 12984), (1864, 11361), (2164, 9786), (2796, 7574), (3246, 6524), (3262, 6492), (3787, 5592), (4328, 4893)]