21611112

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^2\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 55427040

約数和(自身を除く): 33815928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 487, 516, 974, 1032, 1461, 1849, 1948, 2922, 3698, 3896, 5547, 5844, 7396, 11094, 11688, 14792, 20941, 22188, 41882, 44376, 62823, 83764, 125646, 167528, 251292, 502584, 900463, 1800926, 2701389, 3601852, 5402778, 7203704, 10805556, 21611112]

約数ペア:

[(1, 21611112), (2, 10805556), (3, 7203704), (4, 5402778), (6, 3601852), (8, 2701389), (12, 1800926), (24, 900463), (43, 502584), (86, 251292), (129, 167528), (172, 125646), (258, 83764), (344, 62823), (487, 44376), (516, 41882), (974, 22188), (1032, 20941), (1461, 14792), (1849, 11688), (1948, 11094), (2922, 7396), (3698, 5844), (3896, 5547)]