21017796

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16369}}^1$

素因数の和:16483

約数の個数: 24

約数和(自身を含む): 49502880

約数和(自身を除く): 28485084

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16369, 32738, 49107, 65476, 98214, 196428, 1751483, 3502966, 5254449, 7005932, 10508898, 21017796]

約数ペア:

[(1, 21017796), (2, 10508898), (3, 7005932), (4, 5254449), (6, 3502966), (12, 1751483), (107, 196428), (214, 98214), (321, 65476), (428, 49107), (642, 32738), (1284, 16369)]