21289140722

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1\times {\mathrm{4889}}^1$

素因数の和:5618

約数の個数: 32

約数和(自身を含む): 33577165440

約数和(自身を除く): 12288024718

約数列:

[1, 2, 23, 46, 181, 362, 523, 1046, 4163, 4889, 8326, 9778, 12029, 24058, 94663, 112447, 189326, 224894, 884909, 1769818, 2177249, 2556947, 4354498, 5113894, 20352907, 40705814, 58809781, 117619562, 462807407, 925614814, 10644570361, 21289140722]

約数ペア:

[(1, 21289140722), (2, 10644570361), (23, 925614814), (46, 462807407), (181, 117619562), (362, 58809781), (523, 40705814), (1046, 20352907), (4163, 5113894), (4889, 4354498), (8326, 2556947), (9778, 2177249), (12029, 1769818), (24058, 884909), (94663, 224894), (112447, 189326)]