21085125

素因数分解:

$3^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 35717760

約数和(自身を除く): 14632635

約数列:

[1, 3, 5, 15, 25, 59, 75, 125, 177, 295, 375, 885, 953, 1475, 2859, 4425, 4765, 7375, 14295, 22125, 23825, 56227, 71475, 119125, 168681, 281135, 357375, 843405, 1405675, 4217025, 7028375, 21085125]

約数ペア:

[(1, 21085125), (3, 7028375), (5, 4217025), (15, 1405675), (25, 843405), (59, 357375), (75, 281135), (125, 168681), (177, 119125), (295, 71475), (375, 56227), (885, 23825), (953, 22125), (1475, 14295), (2859, 7375), (4425, 4765)]