21911168

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2496

約数の個数: 32

約数和(自身を含む): 44284320

約数和(自身を除く): 22373152

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 2411, 4544, 4822, 9088, 9644, 19288, 38576, 77152, 154304, 171181, 308608, 342362, 684724, 1369448, 2738896, 5477792, 10955584, 21911168]

約数ペア:

[(1, 21911168), (2, 10955584), (4, 5477792), (8, 2738896), (16, 1369448), (32, 684724), (64, 342362), (71, 308608), (128, 171181), (142, 154304), (284, 77152), (568, 38576), (1136, 19288), (2272, 9644), (2411, 9088), (4544, 4822)]