21666368

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:435

約数の個数: 56

約数和(自身を含む): 46085760

約数和(自身を除く): 24419392

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 64, 82, 92, 164, 184, 328, 359, 368, 656, 718, 736, 943, 1312, 1436, 1472, 1886, 2624, 2872, 3772, 5744, 7544, 8257, 11488, 14719, 15088, 16514, 22976, 29438, 30176, 33028, 58876, 60352, 66056, 117752, 132112, 235504, 264224, 338537, 471008, 528448, 677074, 942016, 1354148, 2708296, 5416592, 10833184, 21666368]

約数ペア:

[(1, 21666368), (2, 10833184), (4, 5416592), (8, 2708296), (16, 1354148), (23, 942016), (32, 677074), (41, 528448), (46, 471008), (64, 338537), (82, 264224), (92, 235504), (164, 132112), (184, 117752), (328, 66056), (359, 60352), (368, 58876), (656, 33028), (718, 30176), (736, 29438), (943, 22976), (1312, 16514), (1436, 15088), (1472, 14719), (1886, 11488), (2624, 8257), (2872, 7544), (3772, 5744)]