21570630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19433}}^1$

素因数の和:19480

約数の個数: 32

約数和(自身を含む): 53171424

約数和(自身を除く): 31600794

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19433, 38866, 58299, 97165, 116598, 194330, 291495, 582990, 719021, 1438042, 2157063, 3595105, 4314126, 7190210, 10785315, 21570630]

約数ペア:

[(1, 21570630), (2, 10785315), (3, 7190210), (5, 4314126), (6, 3595105), (10, 2157063), (15, 1438042), (30, 719021), (37, 582990), (74, 291495), (111, 194330), (185, 116598), (222, 97165), (370, 58299), (555, 38866), (1110, 19433)]