21237040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24133}}^1$

素因数の和:24157

約数の個数: 40

約数和(自身を含む): 53867088

約数和(自身を除く): 32630048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24133, 48266, 96532, 120665, 193064, 241330, 265463, 386128, 482660, 530926, 965320, 1061852, 1327315, 1930640, 2123704, 2654630, 4247408, 5309260, 10618520, 21237040]

約数ペア:

[(1, 21237040), (2, 10618520), (4, 5309260), (5, 4247408), (8, 2654630), (10, 2123704), (11, 1930640), (16, 1327315), (20, 1061852), (22, 965320), (40, 530926), (44, 482660), (55, 386128), (80, 265463), (88, 241330), (110, 193064), (176, 120665), (220, 96532), (440, 48266), (880, 24133)]