21610030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 44403120

約数和(自身を除く): 22793090

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 673, 845, 1235, 1346, 1690, 2470, 3211, 3365, 6422, 6730, 8749, 12787, 16055, 17498, 25574, 32110, 43745, 63935, 87490, 113737, 127870, 166231, 227474, 332462, 568685, 831155, 1137370, 1662310, 2161003, 4322006, 10805015, 21610030]

約数ペア:

[(1, 21610030), (2, 10805015), (5, 4322006), (10, 2161003), (13, 1662310), (19, 1137370), (26, 831155), (38, 568685), (65, 332462), (95, 227474), (130, 166231), (169, 127870), (190, 113737), (247, 87490), (338, 63935), (494, 43745), (673, 32110), (845, 25574), (1235, 17498), (1346, 16055), (1690, 12787), (2470, 8749), (3211, 6730), (3365, 6422)]