21579244

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1439}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 39674880

約数和(自身を除く): 18095636

約数列:

[1, 2, 4, 23, 46, 92, 163, 326, 652, 1439, 2878, 3749, 5756, 7498, 14996, 33097, 66194, 132388, 234557, 469114, 938228, 5394811, 10789622, 21579244]

約数ペア:

[(1, 21579244), (2, 10789622), (4, 5394811), (23, 938228), (46, 469114), (92, 234557), (163, 132388), (326, 66194), (652, 33097), (1439, 14996), (2878, 7498), (3749, 5756)]