21493488

素因数分解:

$2^4\times 3^1\times {\mathrm{197}}^1\times {\mathrm{2273}}^1$

素因数の和:2481

約数の個数: 40

約数和(自身を含む): 55831248

約数和(自身を除く): 34337760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 197, 394, 591, 788, 1182, 1576, 2273, 2364, 3152, 4546, 4728, 6819, 9092, 9456, 13638, 18184, 27276, 36368, 54552, 109104, 447781, 895562, 1343343, 1791124, 2686686, 3582248, 5373372, 7164496, 10746744, 21493488]

約数ペア:

[(1, 21493488), (2, 10746744), (3, 7164496), (4, 5373372), (6, 3582248), (8, 2686686), (12, 1791124), (16, 1343343), (24, 895562), (48, 447781), (197, 109104), (394, 54552), (591, 36368), (788, 27276), (1182, 18184), (1576, 13638), (2273, 9456), (2364, 9092), (3152, 6819), (4546, 4728)]