21230068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2039}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 39412800

約数和(自身を除く): 18182732

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2039, 2603, 4078, 5206, 8156, 10412, 38741, 77482, 154964, 279343, 558686, 1117372, 5307517, 10615034, 21230068]

約数ペア:

[(1, 21230068), (2, 10615034), (4, 5307517), (19, 1117372), (38, 558686), (76, 279343), (137, 154964), (274, 77482), (548, 38741), (2039, 10412), (2603, 8156), (4078, 5206)]