21388512

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{7187}}^1$

素因数の和:7231

約数の個数: 48

約数和(自身を含む): 57964032

約数和(自身を除く): 36575520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 7187, 14374, 21561, 28748, 43122, 57496, 86244, 114992, 172488, 222797, 229984, 344976, 445594, 668391, 689952, 891188, 1336782, 1782376, 2673564, 3564752, 5347128, 7129504, 10694256, 21388512]

約数ペア:

[(1, 21388512), (2, 10694256), (3, 7129504), (4, 5347128), (6, 3564752), (8, 2673564), (12, 1782376), (16, 1336782), (24, 891188), (31, 689952), (32, 668391), (48, 445594), (62, 344976), (93, 229984), (96, 222797), (124, 172488), (186, 114992), (248, 86244), (372, 57496), (496, 43122), (744, 28748), (992, 21561), (1488, 14374), (2976, 7187)]