21817004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4549}}^1$

素因数の和:4673

約数の個数: 24

約数和(自身を含む): 42042000

約数和(自身を除く): 20224996

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4549, 4796, 9098, 18196, 50039, 100078, 200156, 495841, 991682, 1983364, 5454251, 10908502, 21817004]

約数ペア:

[(1, 21817004), (2, 10908502), (4, 5454251), (11, 1983364), (22, 991682), (44, 495841), (109, 200156), (218, 100078), (436, 50039), (1199, 18196), (2398, 9098), (4549, 4796)]