21001560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175013}}^1$

素因数の和:175027

約数の個数: 32

約数和(自身を含む): 63005040

約数和(自身を除く): 42003480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175013, 350026, 525039, 700052, 875065, 1050078, 1400104, 1750130, 2100156, 2625195, 3500260, 4200312, 5250390, 7000520, 10500780, 21001560]

約数ペア:

[(1, 21001560), (2, 10500780), (3, 7000520), (4, 5250390), (5, 4200312), (6, 3500260), (8, 2625195), (10, 2100156), (12, 1750130), (15, 1400104), (20, 1050078), (24, 875065), (30, 700052), (40, 525039), (60, 350026), (120, 175013)]