21716068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10501}}^1$

素因数の和:10563

約数の個数: 24

約数和(自身を含む): 42344064

約数和(自身を除く): 20627996

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10501, 21002, 42004, 115511, 231022, 462044, 493547, 987094, 1974188, 5429017, 10858034, 21716068]

約数ペア:

[(1, 21716068), (2, 10858034), (4, 5429017), (11, 1974188), (22, 987094), (44, 493547), (47, 462044), (94, 231022), (188, 115511), (517, 42004), (1034, 21002), (2068, 10501)]