21673756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21937}}^1$

素因数の和:21973

約数の個数: 24

約数和(自身を含む): 42998480

約数和(自身を除く): 21324724

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21937, 43874, 87748, 285181, 416803, 570362, 833606, 1140724, 1667212, 5418439, 10836878, 21673756]

約数ペア:

[(1, 21673756), (2, 10836878), (4, 5418439), (13, 1667212), (19, 1140724), (26, 833606), (38, 570362), (52, 416803), (76, 285181), (247, 87748), (494, 43874), (988, 21937)]