21628004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12373}}^1$

素因数の和:12419

約数の個数: 24

約数和(自身を含む): 41576640

約数和(自身を除く): 19948636

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12373, 24746, 49492, 235087, 284579, 470174, 569158, 940348, 1138316, 5407001, 10814002, 21628004]

約数ペア:

[(1, 21628004), (2, 10814002), (4, 5407001), (19, 1138316), (23, 940348), (38, 569158), (46, 470174), (76, 284579), (92, 235087), (437, 49492), (874, 24746), (1748, 12373)]