21947290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2646

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 20405990

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2579, 4255, 5158, 8510, 12895, 25790, 59317, 95423, 118634, 190846, 296585, 477115, 593170, 954230, 2194729, 4389458, 10973645, 21947290]

約数ペア:

[(1, 21947290), (2, 10973645), (5, 4389458), (10, 2194729), (23, 954230), (37, 593170), (46, 477115), (74, 296585), (115, 190846), (185, 118634), (230, 95423), (370, 59317), (851, 25790), (1702, 12895), (2579, 8510), (4255, 5158)]