21092912

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18059}}^1$

素因数の和:18140

約数の個数: 20

約数和(自身を含む): 41429640

約数和(自身を除く): 20336728

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18059, 36118, 72236, 144472, 288944, 1318307, 2636614, 5273228, 10546456, 21092912]

約数ペア:

[(1, 21092912), (2, 10546456), (4, 5273228), (8, 2636614), (16, 1318307), (73, 288944), (146, 144472), (292, 72236), (584, 36118), (1168, 18059)]