21260018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{1039}}^1$

素因数の和:1841

約数の個数: 16

約数和(自身を含む): 34419840

約数和(自身を除く): 13159822

約数列:

[1, 2, 13, 26, 787, 1039, 1574, 2078, 10231, 13507, 20462, 27014, 817693, 1635386, 10630009, 21260018]

約数ペア:

[(1, 21260018), (2, 10630009), (13, 1635386), (26, 817693), (787, 27014), (1039, 20462), (1574, 13507), (2078, 10231)]