21728620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{29363}}^1$

素因数の和:29409

約数の個数: 24

約数和(自身を含む): 46864944

約数和(自身を除く): 25136324

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 29363, 58726, 117452, 146815, 293630, 587260, 1086431, 2172862, 4345724, 5432155, 10864310, 21728620]

約数ペア:

[(1, 21728620), (2, 10864310), (4, 5432155), (5, 4345724), (10, 2172862), (20, 1086431), (37, 587260), (74, 293630), (148, 146815), (185, 117452), (370, 58726), (740, 29363)]