21446348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 25728052

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 179, 308, 358, 389, 716, 778, 1253, 1556, 1969, 2506, 2723, 3938, 4279, 5012, 5446, 7876, 8558, 10892, 13783, 17116, 27566, 29953, 55132, 59906, 69631, 119812, 139262, 278524, 487417, 765941, 974834, 1531882, 1949668, 3063764, 5361587, 10723174, 21446348]

約数ペア:

[(1, 21446348), (2, 10723174), (4, 5361587), (7, 3063764), (11, 1949668), (14, 1531882), (22, 974834), (28, 765941), (44, 487417), (77, 278524), (154, 139262), (179, 119812), (308, 69631), (358, 59906), (389, 55132), (716, 29953), (778, 27566), (1253, 17116), (1556, 13783), (1969, 10892), (2506, 8558), (2723, 7876), (3938, 5446), (4279, 5012)]