21812220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1352

約数の個数: 96

約数和(自身を含む): 70103040

約数和(自身を除く): 48290820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1303, 1395, 1674, 1860, 2606, 2790, 3348, 3909, 4185, 5212, 5580, 6515, 7818, 8370, 11727, 13030, 15636, 16740, 19545, 23454, 26060, 35181, 39090, 40393, 46908, 58635, 70362, 78180, 80786, 117270, 121179, 140724, 161572, 175905, 201965, 234540, 242358, 351810, 363537, 403930, 484716, 605895, 703620, 727074, 807860, 1090611, 1211790, 1454148, 1817685, 2181222, 2423580, 3635370, 4362444, 5453055, 7270740, 10906110, 21812220]

約数ペア:

[(1, 21812220), (2, 10906110), (3, 7270740), (4, 5453055), (5, 4362444), (6, 3635370), (9, 2423580), (10, 2181222), (12, 1817685), (15, 1454148), (18, 1211790), (20, 1090611), (27, 807860), (30, 727074), (31, 703620), (36, 605895), (45, 484716), (54, 403930), (60, 363537), (62, 351810), (90, 242358), (93, 234540), (108, 201965), (124, 175905), (135, 161572), (155, 140724), (180, 121179), (186, 117270), (270, 80786), (279, 78180), (310, 70362), (372, 58635), (465, 46908), (540, 40393), (558, 39090), (620, 35181), (837, 26060), (930, 23454), (1116, 19545), (1303, 16740), (1395, 15636), (1674, 13030), (1860, 11727), (2606, 8370), (2790, 7818), (3348, 6515), (3909, 5580), (4185, 5212)]