21422128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14713}}^1$

素因数の和:14741

約数の個数: 40

約数和(自身を含む): 51087008

約数和(自身を除く): 29664880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14713, 29426, 58852, 102991, 117704, 191269, 205982, 235408, 382538, 411964, 765076, 823928, 1338883, 1530152, 1647856, 2677766, 3060304, 5355532, 10711064, 21422128]

約数ペア:

[(1, 21422128), (2, 10711064), (4, 5355532), (7, 3060304), (8, 2677766), (13, 1647856), (14, 1530152), (16, 1338883), (26, 823928), (28, 765076), (52, 411964), (56, 382538), (91, 235408), (104, 205982), (112, 191269), (182, 117704), (208, 102991), (364, 58852), (728, 29426), (1456, 14713)]