21619456

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{1069}}^1$

素因数の和:1164

約数の個数: 36

約数和(自身を含む): 43741600

約数和(自身を除く): 22122144

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 1069, 1264, 2138, 2528, 4276, 5056, 8552, 10112, 17104, 20224, 34208, 68416, 84451, 136832, 168902, 273664, 337804, 675608, 1351216, 2702432, 5404864, 10809728, 21619456]

約数ペア:

[(1, 21619456), (2, 10809728), (4, 5404864), (8, 2702432), (16, 1351216), (32, 675608), (64, 337804), (79, 273664), (128, 168902), (158, 136832), (256, 84451), (316, 68416), (632, 34208), (1069, 20224), (1264, 17104), (2138, 10112), (2528, 8552), (4276, 5056)]