21543330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2861}}^1$

素因数の和:3122

約数の個数: 32

約数和(自身を含む): 51928128

約数和(自身を除く): 30384798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 2861, 3765, 5722, 7530, 8583, 14305, 17166, 28610, 42915, 85830, 718111, 1436222, 2154333, 3590555, 4308666, 7181110, 10771665, 21543330]

約数ペア:

[(1, 21543330), (2, 10771665), (3, 7181110), (5, 4308666), (6, 3590555), (10, 2154333), (15, 1436222), (30, 718111), (251, 85830), (502, 42915), (753, 28610), (1255, 17166), (1506, 14305), (2510, 8583), (2861, 7530), (3765, 5722)]