21749414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 36480000

約数和(自身を除く): 14730586

約数列:

[1, 2, 19, 31, 37, 38, 62, 74, 499, 589, 703, 998, 1147, 1178, 1406, 2294, 9481, 15469, 18463, 18962, 21793, 30938, 36926, 43586, 293911, 350797, 572353, 587822, 701594, 1144706, 10874707, 21749414]

約数ペア:

[(1, 21749414), (2, 10874707), (19, 1144706), (31, 701594), (37, 587822), (38, 572353), (62, 350797), (74, 293911), (499, 43586), (589, 36926), (703, 30938), (998, 21793), (1147, 18962), (1178, 18463), (1406, 15469), (2294, 9481)]