21589491

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4919}}^1$

素因数の和:4959

約数の個数: 32

約数和(自身を含む): 37785600

約数和(自身を除く): 16196109

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4919, 14757, 34433, 54109, 93461, 103299, 162327, 280383, 378763, 654227, 1028071, 1136289, 1962681, 3084213, 7196497, 21589491]

約数ペア:

[(1, 21589491), (3, 7196497), (7, 3084213), (11, 1962681), (19, 1136289), (21, 1028071), (33, 654227), (57, 378763), (77, 280383), (133, 162327), (209, 103299), (231, 93461), (399, 54109), (627, 34433), (1463, 14757), (4389, 4919)]