21167772781

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{1181}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 23018929920

約数和(自身を除く): 1851157139

約数列:

[1, 23, 41, 83, 229, 943, 1181, 1909, 3403, 5267, 9389, 19007, 27163, 48421, 78269, 98023, 215947, 270449, 437161, 779287, 1113683, 2254529, 4018943, 6220327, 11088409, 17923601, 22447267, 92435689, 255033407, 516287141, 920337947, 21167772781]

約数ペア:

[(1, 21167772781), (23, 920337947), (41, 516287141), (83, 255033407), (229, 92435689), (943, 22447267), (1181, 17923601), (1909, 11088409), (3403, 6220327), (5267, 4018943), (9389, 2254529), (19007, 1113683), (27163, 779287), (48421, 437161), (78269, 270449), (98023, 215947)]