21200514

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 43512000

約数和(自身を除く): 22311486

約数列:

[1, 2, 3, 6, 73, 97, 146, 194, 219, 291, 438, 499, 582, 998, 1497, 2994, 7081, 14162, 21243, 36427, 42486, 48403, 72854, 96806, 109281, 145209, 218562, 290418, 3533419, 7066838, 10600257, 21200514]

約数ペア:

[(1, 21200514), (2, 10600257), (3, 7066838), (6, 3533419), (73, 290418), (97, 218562), (146, 145209), (194, 109281), (219, 96806), (291, 72854), (438, 48403), (499, 42486), (582, 36427), (998, 21243), (1497, 14162), (2994, 7081)]