21310563

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{617}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 29515680

約数和(自身を除く): 8205117

約数列:

[1, 3, 29, 87, 397, 617, 1191, 1851, 11513, 17893, 34539, 53679, 244949, 734847, 7103521, 21310563]

約数ペア:

[(1, 21310563), (3, 7103521), (29, 734847), (87, 244949), (397, 53679), (617, 34539), (1191, 17893), (1851, 11513)]