21001140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38891}}^1$

素因数の和:38909

約数の個数: 48

約数和(自身を含む): 65338560

約数和(自身を除く): 44337420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38891, 77782, 116673, 155564, 194455, 233346, 350019, 388910, 466692, 583365, 700038, 777820, 1050057, 1166730, 1400076, 1750095, 2100114, 2333460, 3500190, 4200228, 5250285, 7000380, 10500570, 21001140]

約数ペア:

[(1, 21001140), (2, 10500570), (3, 7000380), (4, 5250285), (5, 4200228), (6, 3500190), (9, 2333460), (10, 2100114), (12, 1750095), (15, 1400076), (18, 1166730), (20, 1050057), (27, 777820), (30, 700038), (36, 583365), (45, 466692), (54, 388910), (60, 350019), (90, 233346), (108, 194455), (135, 155564), (180, 116673), (270, 77782), (540, 38891)]