21306912

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20177}}^1$

素因数の和:20201

約数の個数: 48

約数和(自身を含む): 61018272

約数和(自身を除く): 39711360

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20177, 40354, 60531, 80708, 121062, 161416, 221947, 242124, 322832, 443894, 484248, 645664, 665841, 887788, 968496, 1331682, 1775576, 1936992, 2663364, 3551152, 5326728, 7102304, 10653456, 21306912]

約数ペア:

[(1, 21306912), (2, 10653456), (3, 7102304), (4, 5326728), (6, 3551152), (8, 2663364), (11, 1936992), (12, 1775576), (16, 1331682), (22, 968496), (24, 887788), (32, 665841), (33, 645664), (44, 484248), (48, 443894), (66, 322832), (88, 242124), (96, 221947), (132, 161416), (176, 121062), (264, 80708), (352, 60531), (528, 40354), (1056, 20177)]