21892976

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4159}}^1$

素因数の和:4221

約数の個数: 40

約数和(自身を含む): 49520640

約数和(自身を除く): 27627664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 4159, 5264, 8318, 16636, 29113, 33272, 58226, 66544, 116452, 195473, 232904, 390946, 465808, 781892, 1368311, 1563784, 2736622, 3127568, 5473244, 10946488, 21892976]

約数ペア:

[(1, 21892976), (2, 10946488), (4, 5473244), (7, 3127568), (8, 2736622), (14, 1563784), (16, 1368311), (28, 781892), (47, 465808), (56, 390946), (94, 232904), (112, 195473), (188, 116452), (329, 66544), (376, 58226), (658, 33272), (752, 29113), (1316, 16636), (2632, 8318), (4159, 5264)]