21000496948

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{624049}}^1$

素因数の和:624279

約数の個数: 24

約数和(自身を含む): 37742544000

約数和(自身を除く): 16742047052

約数列:

[1, 2, 4, 47, 94, 179, 188, 358, 716, 8413, 16826, 33652, 624049, 1248098, 2496196, 29330303, 58660606, 111704771, 117321212, 223409542, 446819084, 5250124237, 10500248474, 21000496948]

約数ペア:

[(1, 21000496948), (2, 10500248474), (4, 5250124237), (47, 446819084), (94, 223409542), (179, 117321212), (188, 111704771), (358, 58660606), (716, 29330303), (8413, 2496196), (16826, 1248098), (33652, 624049)]