21000657665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1\times {\mathrm{190837}}^1$

素因数の和:192548

約数の個数: 16

約数和(自身を含む): 27155484048

約数和(自身を除く): 6154826383

約数列:

[1, 5, 13, 65, 1693, 8465, 22009, 110045, 190837, 954185, 2480881, 12404405, 323087041, 1615435205, 4200131533, 21000657665]

約数ペア:

[(1, 21000657665), (5, 4200131533), (13, 1615435205), (65, 323087041), (1693, 12404405), (8465, 2480881), (22009, 954185), (110045, 190837)]