21673492

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 17154668

約数列:

[1, 2, 4, 79, 107, 158, 214, 316, 428, 641, 1282, 2564, 8453, 16906, 33812, 50639, 68587, 101278, 137174, 202556, 274348, 5418373, 10836746, 21673492]

約数ペア:

[(1, 21673492), (2, 10836746), (4, 5418373), (79, 274348), (107, 202556), (158, 137174), (214, 101278), (316, 68587), (428, 50639), (641, 33812), (1282, 16906), (2564, 8453)]