21382952

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{10163}}^1$

素因数の和:10432

約数の個数: 16

約数和(自身を含む): 40249440

約数和(自身を除く): 18866488

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 10163, 20326, 40652, 81304, 2672869, 5345738, 10691476, 21382952]

約数ペア:

[(1, 21382952), (2, 10691476), (4, 5345738), (8, 2672869), (263, 81304), (526, 40652), (1052, 20326), (2104, 10163)]