21563072

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19819}}^1$

素因数の和:19848

約数の個数: 28

約数和(自身を含む): 45308520

約数和(自身を除く): 23745448

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19819, 39638, 79276, 158552, 317104, 336923, 634208, 673846, 1268416, 1347692, 2695384, 5390768, 10781536, 21563072]

約数ペア:

[(1, 21563072), (2, 10781536), (4, 5390768), (8, 2695384), (16, 1347692), (17, 1268416), (32, 673846), (34, 634208), (64, 336923), (68, 317104), (136, 158552), (272, 79276), (544, 39638), (1088, 19819)]