21310899

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1153}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 29191584

約数和(自身を除く): 7880685

約数列:

[1, 3, 61, 101, 183, 303, 1153, 3459, 6161, 18483, 70333, 116453, 210999, 349359, 7103633, 21310899]

約数ペア:

[(1, 21310899), (3, 7103633), (61, 349359), (101, 210999), (183, 116453), (303, 70333), (1153, 18483), (3459, 6161)]