21055827

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18617}}^1$

素因数の和:18662

約数の個数: 16

約数和(自身を含む): 31278240

約数和(自身を除く): 10222413

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 18617, 55851, 242021, 539893, 726063, 1619679, 7018609, 21055827]

約数ペア:

[(1, 21055827), (3, 7018609), (13, 1619679), (29, 726063), (39, 539893), (87, 242021), (377, 55851), (1131, 18617)]