21345064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12073}}^1$

素因数の和:12109

約数の個数: 32

約数和(自身を含む): 45639720

約数和(自身を除く): 24294656

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 12073, 24146, 48292, 96584, 156949, 205241, 313898, 410482, 627796, 820964, 1255592, 1641928, 2668133, 5336266, 10672532, 21345064]

約数ペア:

[(1, 21345064), (2, 10672532), (4, 5336266), (8, 2668133), (13, 1641928), (17, 1255592), (26, 820964), (34, 627796), (52, 410482), (68, 313898), (104, 205241), (136, 156949), (221, 96584), (442, 48292), (884, 24146), (1768, 12073)]