21760510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6737}}^1$

素因数の和:6780

約数の個数: 32

約数和(自身を含む): 43662240

約数和(自身を除く): 21901730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6737, 13474, 33685, 67370, 114529, 128003, 229058, 256006, 572645, 640015, 1145290, 1280030, 2176051, 4352102, 10880255, 21760510]

約数ペア:

[(1, 21760510), (2, 10880255), (5, 4352102), (10, 2176051), (17, 1280030), (19, 1145290), (34, 640015), (38, 572645), (85, 256006), (95, 229058), (170, 128003), (190, 114529), (323, 67370), (646, 33685), (1615, 13474), (3230, 6737)]