21185265275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1060589}}^1$

素因数の和:1060663

約数の個数: 24

約数和(自身を含む): 28406842560

約数和(自身を除く): 7221577285

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 3995, 19975, 1060589, 5302945, 18030013, 26514725, 49847683, 90150065, 249238415, 450750325, 847410611, 1246192075, 4237053055, 21185265275]

約数ペア:

[(1, 21185265275), (5, 4237053055), (17, 1246192075), (25, 847410611), (47, 450750325), (85, 249238415), (235, 90150065), (425, 49847683), (799, 26514725), (1175, 18030013), (3995, 5302945), (19975, 1060589)]