21147270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22739}}^1$

素因数の和:22780

約数の個数: 32

約数和(自身を含む): 52392960

約数和(自身を除く): 31245690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22739, 45478, 68217, 113695, 136434, 227390, 341085, 682170, 704909, 1409818, 2114727, 3524545, 4229454, 7049090, 10573635, 21147270]

約数ペア:

[(1, 21147270), (2, 10573635), (3, 7049090), (5, 4229454), (6, 3524545), (10, 2114727), (15, 1409818), (30, 704909), (31, 682170), (62, 341085), (93, 227390), (155, 136434), (186, 113695), (310, 68217), (465, 45478), (930, 22739)]