21966850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1217}}^1$

素因数の和:1267

約数の個数: 36

約数和(自身を含む): 43157394

約数和(自身を除く): 21190544

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1217, 1805, 2434, 3610, 6085, 9025, 12170, 18050, 23123, 30425, 46246, 60850, 115615, 231230, 439337, 578075, 878674, 1156150, 2196685, 4393370, 10983425, 21966850]

約数ペア:

[(1, 21966850), (2, 10983425), (5, 4393370), (10, 2196685), (19, 1156150), (25, 878674), (38, 578075), (50, 439337), (95, 231230), (190, 115615), (361, 60850), (475, 46246), (722, 30425), (950, 23123), (1217, 18050), (1805, 12170), (2434, 9025), (3610, 6085)]