21495331

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{787}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 25417728

約数和(自身を除く): 3922397

約数列:

[1, 11, 13, 143, 191, 787, 2101, 2483, 8657, 10231, 27313, 112541, 150317, 1653487, 1954121, 21495331]

約数ペア:

[(1, 21495331), (11, 1954121), (13, 1653487), (143, 150317), (191, 112541), (787, 27313), (2101, 10231), (2483, 8657)]