21028230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7537}}^1$

素因数の和:7581

約数の個数: 48

約数和(自身を含む): 56444544

約数和(自身を除く): 35416314

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7537, 15074, 22611, 37685, 45222, 67833, 75370, 113055, 135666, 226110, 233647, 339165, 467294, 678330, 700941, 1168235, 1401882, 2102823, 2336470, 3504705, 4205646, 7009410, 10514115, 21028230]

約数ペア:

[(1, 21028230), (2, 10514115), (3, 7009410), (5, 4205646), (6, 3504705), (9, 2336470), (10, 2102823), (15, 1401882), (18, 1168235), (30, 700941), (31, 678330), (45, 467294), (62, 339165), (90, 233647), (93, 226110), (155, 135666), (186, 113055), (279, 75370), (310, 67833), (465, 45222), (558, 37685), (930, 22611), (1395, 15074), (2790, 7537)]