21653392

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7477}}^1$

素因数の和:7666

約数の個数: 20

約数和(自身を含む): 42190876

約数和(自身を除く): 20537484

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7477, 14954, 29908, 59816, 119632, 1353337, 2706674, 5413348, 10826696, 21653392]

約数ペア:

[(1, 21653392), (2, 10826696), (4, 5413348), (8, 2706674), (16, 1353337), (181, 119632), (362, 59816), (724, 29908), (1448, 14954), (2896, 7477)]