21326658

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^2$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 46681920

約数和(自身を除く): 25355262

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 73, 87, 138, 146, 174, 219, 438, 667, 1334, 1679, 2001, 2117, 3358, 4002, 4234, 5037, 5329, 6351, 10074, 10658, 12702, 15987, 31974, 48691, 97382, 122567, 146073, 154541, 245134, 292146, 309082, 367701, 463623, 735402, 927246, 3554443, 7108886, 10663329, 21326658]

約数ペア:

[(1, 21326658), (2, 10663329), (3, 7108886), (6, 3554443), (23, 927246), (29, 735402), (46, 463623), (58, 367701), (69, 309082), (73, 292146), (87, 245134), (138, 154541), (146, 146073), (174, 122567), (219, 97382), (438, 48691), (667, 31974), (1334, 15987), (1679, 12702), (2001, 10658), (2117, 10074), (3358, 6351), (4002, 5329), (4234, 5037)]