21269196

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15149}}^1$

素因数の和:15175

約数の個数: 48

約数和(自身を含む): 59388000

約数和(自身を除く): 38118804

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15149, 30298, 45447, 60596, 90894, 136341, 181788, 196937, 272682, 393874, 409023, 545364, 590811, 787748, 818046, 1181622, 1636092, 1772433, 2363244, 3544866, 5317299, 7089732, 10634598, 21269196]

約数ペア:

[(1, 21269196), (2, 10634598), (3, 7089732), (4, 5317299), (6, 3544866), (9, 2363244), (12, 1772433), (13, 1636092), (18, 1181622), (26, 818046), (27, 787748), (36, 590811), (39, 545364), (52, 409023), (54, 393874), (78, 272682), (108, 196937), (117, 181788), (156, 136341), (234, 90894), (351, 60596), (468, 45447), (702, 30298), (1404, 15149)]