23571790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 46487520

約数和(自身を除く): 22915730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 509, 842, 1018, 2105, 2545, 4210, 4631, 5090, 5599, 9262, 11198, 23155, 27995, 46310, 55990, 214289, 428578, 1071445, 2142890, 2357179, 4714358, 11785895, 23571790]

約数ペア:

[(1, 23571790), (2, 11785895), (5, 4714358), (10, 2357179), (11, 2142890), (22, 1071445), (55, 428578), (110, 214289), (421, 55990), (509, 46310), (842, 27995), (1018, 23155), (2105, 11198), (2545, 9262), (4210, 5599), (4631, 5090)]