21595936

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 22602848

約数列:

[1, 2, 4, 8, 16, 32, 47, 83, 94, 166, 173, 188, 332, 346, 376, 664, 692, 752, 1328, 1384, 1504, 2656, 2768, 3901, 5536, 7802, 8131, 14359, 15604, 16262, 28718, 31208, 32524, 57436, 62416, 65048, 114872, 124832, 130096, 229744, 260192, 459488, 674873, 1349746, 2699492, 5398984, 10797968, 21595936]

約数ペア:

[(1, 21595936), (2, 10797968), (4, 5398984), (8, 2699492), (16, 1349746), (32, 674873), (47, 459488), (83, 260192), (94, 229744), (166, 130096), (173, 124832), (188, 114872), (332, 65048), (346, 62416), (376, 57436), (664, 32524), (692, 31208), (752, 28718), (1328, 16262), (1384, 15604), (1504, 14359), (2656, 8131), (2768, 7802), (3901, 5536)]