21742736

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{5167}}^1$

素因数の和:5438

約数の個数: 20

約数和(自身を含む): 42294912

約数和(自身を除く): 20552176

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 5167, 10334, 20668, 41336, 82672, 1358921, 2717842, 5435684, 10871368, 21742736]

約数ペア:

[(1, 21742736), (2, 10871368), (4, 5435684), (8, 2717842), (16, 1358921), (263, 82672), (526, 41336), (1052, 20668), (2104, 10334), (4208, 5167)]