21813420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363557}}^1$

素因数の和:363569

約数の個数: 24

約数和(自身を含む): 61077744

約数和(自身を除く): 39264324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363557, 727114, 1090671, 1454228, 1817785, 2181342, 3635570, 4362684, 5453355, 7271140, 10906710, 21813420]

約数ペア:

[(1, 21813420), (2, 10906710), (3, 7271140), (4, 5453355), (5, 4362684), (6, 3635570), (10, 2181342), (12, 1817785), (15, 1454228), (20, 1090671), (30, 727114), (60, 363557)]