21284065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10459}}^1$

素因数の和:10512

約数の個数: 16

約数和(自身を含む): 28618560

約数和(自身を除く): 7334495

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10459, 52295, 115049, 386983, 575245, 1934915, 4256813, 21284065]

約数ペア:

[(1, 21284065), (5, 4256813), (11, 1934915), (37, 575245), (55, 386983), (185, 115049), (407, 52295), (2035, 10459)]