21113387

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 22843392

約数和(自身を除く): 1730005

約数列:

[1, 31, 43, 47, 337, 1333, 1457, 2021, 10447, 14491, 15839, 62651, 449221, 491009, 681077, 21113387]

約数ペア:

[(1, 21113387), (31, 681077), (43, 491009), (47, 449221), (337, 62651), (1333, 15839), (1457, 14491), (2021, 10447)]