21165510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 54991872

約数和(自身を除く): 33826362

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 47, 51, 85, 94, 102, 141, 170, 235, 255, 282, 470, 510, 705, 799, 883, 1410, 1598, 1766, 2397, 2649, 3995, 4415, 4794, 5298, 7990, 8830, 11985, 13245, 15011, 23970, 26490, 30022, 41501, 45033, 75055, 83002, 90066, 124503, 150110, 207505, 225165, 249006, 415010, 450330, 622515, 705517, 1245030, 1411034, 2116551, 3527585, 4233102, 7055170, 10582755, 21165510]

約数ペア:

[(1, 21165510), (2, 10582755), (3, 7055170), (5, 4233102), (6, 3527585), (10, 2116551), (15, 1411034), (17, 1245030), (30, 705517), (34, 622515), (47, 450330), (51, 415010), (85, 249006), (94, 225165), (102, 207505), (141, 150110), (170, 124503), (235, 90066), (255, 83002), (282, 75055), (470, 45033), (510, 41501), (705, 30022), (799, 26490), (883, 23970), (1410, 15011), (1598, 13245), (1766, 11985), (2397, 8830), (2649, 7990), (3995, 5298), (4415, 4794)]