21000340821

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1\times {\mathrm{134053}}^1$

素因数の和:134796

約数の個数: 16

約数和(自身を含む): 28397999360

約数和(自身を除く): 7397658539

約数列:

[1, 3, 79, 237, 661, 1983, 52219, 134053, 156657, 402159, 10590187, 31770561, 88609033, 265827099, 7000113607, 21000340821]

約数ペア:

[(1, 21000340821), (3, 7000113607), (79, 265827099), (237, 88609033), (661, 31770561), (1983, 10590187), (52219, 402159), (134053, 156657)]