21714975

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{937}}^1$

素因数の和:1056

約数の個数: 36

約数和(自身を含む): 39313456

約数和(自身を除く): 17598481

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 225, 309, 515, 927, 937, 1545, 2575, 2811, 4635, 4685, 7725, 8433, 14055, 23175, 23425, 42165, 70275, 96511, 210825, 289533, 482555, 868599, 1447665, 2412775, 4342995, 7238325, 21714975]

約数ペア:

[(1, 21714975), (3, 7238325), (5, 4342995), (9, 2412775), (15, 1447665), (25, 868599), (45, 482555), (75, 289533), (103, 210825), (225, 96511), (309, 70275), (515, 42165), (927, 23425), (937, 23175), (1545, 14055), (2575, 8433), (2811, 7725), (4635, 4685)]