21749992

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22469}}^1$

素因数の和:22497

約数の個数: 24

約数和(自身を含む): 44827650

約数和(自身を除く): 23077658

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22469, 44938, 89876, 179752, 247159, 494318, 988636, 1977272, 2718749, 5437498, 10874996, 21749992]

約数ペア:

[(1, 21749992), (2, 10874996), (4, 5437498), (8, 2718749), (11, 1977272), (22, 988636), (44, 494318), (88, 247159), (121, 179752), (242, 89876), (484, 44938), (968, 22469)]