21766010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2237}}^1$

素因数の和:2390

約数の個数: 32

約数和(自身を含む): 45118080

約数和(自身を除く): 23352070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 2237, 4474, 4865, 9730, 11185, 15659, 22370, 31318, 78295, 156590, 310943, 621886, 1554715, 2176601, 3109430, 4353202, 10883005, 21766010]

約数ペア:

[(1, 21766010), (2, 10883005), (5, 4353202), (7, 3109430), (10, 2176601), (14, 1554715), (35, 621886), (70, 310943), (139, 156590), (278, 78295), (695, 31318), (973, 22370), (1390, 15659), (1946, 11185), (2237, 9730), (4474, 4865)]