21803792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4219}}^1$

素因数の和:4263

約数の個数: 40

約数和(自身を含む): 47095200

約数和(自身を除く): 25291408

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 4219, 5168, 8438, 16876, 33752, 67504, 71723, 80161, 143446, 160322, 286892, 320644, 573784, 641288, 1147568, 1282576, 1362737, 2725474, 5450948, 10901896, 21803792]

約数ペア:

[(1, 21803792), (2, 10901896), (4, 5450948), (8, 2725474), (16, 1362737), (17, 1282576), (19, 1147568), (34, 641288), (38, 573784), (68, 320644), (76, 286892), (136, 160322), (152, 143446), (272, 80161), (304, 71723), (323, 67504), (646, 33752), (1292, 16876), (2584, 8438), (4219, 5168)]