21076563

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 29051136

約数和(自身を除く): 7974573

約数列:

[1, 3, 53, 71, 159, 213, 1867, 3763, 5601, 11289, 98951, 132557, 296853, 397671, 7025521, 21076563]

約数ペア:

[(1, 21076563), (3, 7025521), (53, 397671), (71, 296853), (159, 132557), (213, 98951), (1867, 11289), (3763, 5601)]