21049065791

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1\times {\mathrm{22247}}^1$

素因数の和:23330

約数の個数: 16

約数和(自身を含む): 23002830144

約数和(自身を除く): 1953764353

約数列:

[1, 13, 73, 949, 997, 12961, 22247, 72781, 289211, 946153, 1624031, 21112403, 22180259, 288343367, 1619158907, 21049065791]

約数ペア:

[(1, 21049065791), (13, 1619158907), (73, 288343367), (949, 22180259), (997, 21112403), (12961, 1624031), (22247, 946153), (72781, 289211)]