21123552

素因数分解:

$2^5\times 3^1\times {\mathrm{139}}^1\times {\mathrm{1583}}^1$

素因数の和:1735

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34759968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 139, 278, 417, 556, 834, 1112, 1583, 1668, 2224, 3166, 3336, 4448, 4749, 6332, 6672, 9498, 12664, 13344, 18996, 25328, 37992, 50656, 75984, 151968, 220037, 440074, 660111, 880148, 1320222, 1760296, 2640444, 3520592, 5280888, 7041184, 10561776, 21123552]

約数ペア:

[(1, 21123552), (2, 10561776), (3, 7041184), (4, 5280888), (6, 3520592), (8, 2640444), (12, 1760296), (16, 1320222), (24, 880148), (32, 660111), (48, 440074), (96, 220037), (139, 151968), (278, 75984), (417, 50656), (556, 37992), (834, 25328), (1112, 18996), (1583, 13344), (1668, 12664), (2224, 9498), (3166, 6672), (3336, 6332), (4448, 4749)]