21000742068

素因数分解:

$2^2\times 3^1\times {\mathrm{827}}^1\times {\mathrm{1013}}^1\times {\mathrm{2089}}^1$

素因数の和:3936

約数の個数: 48

約数和(自身を含む): 49132923840

約数和(自身を除く): 28132181772

約数列:

[1, 2, 3, 4, 6, 12, 827, 1013, 1654, 2026, 2089, 2481, 3039, 3308, 4052, 4178, 4962, 6078, 6267, 8356, 9924, 12156, 12534, 25068, 837751, 1675502, 1727603, 2116157, 2513253, 3351004, 3455206, 4232314, 5026506, 5182809, 6348471, 6910412, 8464628, 10053012, 10365618, 12696942, 20731236, 25393884, 1750061839, 3500123678, 5250185517, 7000247356, 10500371034, 21000742068]

約数ペア:

[(1, 21000742068), (2, 10500371034), (3, 7000247356), (4, 5250185517), (6, 3500123678), (12, 1750061839), (827, 25393884), (1013, 20731236), (1654, 12696942), (2026, 10365618), (2089, 10053012), (2481, 8464628), (3039, 6910412), (3308, 6348471), (4052, 5182809), (4178, 5026506), (4962, 4232314), (6078, 3455206), (6267, 3351004), (8356, 2513253), (9924, 2116157), (12156, 1727603), (12534, 1675502), (25068, 837751)]