21475224

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{647}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 58378320

約数和(自身を除く): 36903096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 647, 922, 1294, 1383, 1844, 1941, 2588, 2766, 3688, 3882, 4149, 5176, 5532, 5823, 7764, 8298, 11064, 11646, 15528, 16596, 23292, 33192, 46584, 298267, 596534, 894801, 1193068, 1789602, 2386136, 2684403, 3579204, 5368806, 7158408, 10737612, 21475224]

約数ペア:

[(1, 21475224), (2, 10737612), (3, 7158408), (4, 5368806), (6, 3579204), (8, 2684403), (9, 2386136), (12, 1789602), (18, 1193068), (24, 894801), (36, 596534), (72, 298267), (461, 46584), (647, 33192), (922, 23292), (1294, 16596), (1383, 15528), (1844, 11646), (1941, 11064), (2588, 8298), (2766, 7764), (3688, 5823), (3882, 5532), (4149, 5176)]