21605527814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{3371}}^1\times {\mathrm{246509}}^1$

素因数の和:249895

約数の個数: 16

約数和(自身を含む): 34911732240

約数和(自身を除く): 13306204426

約数列:

[1, 2, 13, 26, 3371, 6742, 43823, 87646, 246509, 493018, 3204617, 6409234, 830981839, 1661963678, 10802763907, 21605527814]

約数ペア:

[(1, 21605527814), (2, 10802763907), (13, 1661963678), (26, 830981839), (3371, 6409234), (6742, 3204617), (43823, 493018), (87646, 246509)]