21968961905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{7639}}^1\times {\mathrm{52289}}^1$

素因数の和:59944

約数の個数: 16

約数和(自身を含む): 28763683200

約数和(自身を除く): 6794721295

約数列:

[1, 5, 11, 55, 7639, 38195, 52289, 84029, 261445, 420145, 575179, 2875895, 399435671, 1997178355, 4393792381, 21968961905]

約数ペア:

[(1, 21968961905), (5, 4393792381), (11, 1997178355), (55, 399435671), (7639, 2875895), (38195, 575179), (52289, 420145), (84029, 261445)]