21273280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9497}}^1$

素因数の和:9521

約数の個数: 56

約数和(自身を含む): 57899808

約数和(自身を除く): 36626528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9497, 18994, 37988, 47485, 66479, 75976, 94970, 132958, 151952, 189940, 265916, 303904, 332395, 379880, 531832, 607808, 664790, 759760, 1063664, 1329580, 1519520, 2127328, 2659160, 3039040, 4254656, 5318320, 10636640, 21273280]

約数ペア:

[(1, 21273280), (2, 10636640), (4, 5318320), (5, 4254656), (7, 3039040), (8, 2659160), (10, 2127328), (14, 1519520), (16, 1329580), (20, 1063664), (28, 759760), (32, 664790), (35, 607808), (40, 531832), (56, 379880), (64, 332395), (70, 303904), (80, 265916), (112, 189940), (140, 151952), (160, 132958), (224, 94970), (280, 75976), (320, 66479), (448, 47485), (560, 37988), (1120, 18994), (2240, 9497)]