21034426510

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{71209}}^1$

素因数の和:71596

約数の個数: 32

約数和(自身を含む): 38350857600

約数和(自身を除く): 17316431090

約数列:

[1, 2, 5, 10, 109, 218, 271, 542, 545, 1090, 1355, 2710, 29539, 59078, 71209, 142418, 147695, 295390, 356045, 712090, 7761781, 15523562, 19297639, 38595278, 38808905, 77617810, 96488195, 192976390, 2103442651, 4206885302, 10517213255, 21034426510]

約数ペア:

[(1, 21034426510), (2, 10517213255), (5, 4206885302), (10, 2103442651), (109, 192976390), (218, 96488195), (271, 77617810), (542, 38808905), (545, 38595278), (1090, 19297639), (1355, 15523562), (2710, 7761781), (29539, 712090), (59078, 356045), (71209, 295390), (142418, 147695)]