21648796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{787}}^1$

素因数の和:850

約数の個数: 36

約数和(自身を含む): 42704872

約数和(自身を除く): 21056076

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 529, 598, 787, 1058, 1196, 1574, 2116, 3148, 6877, 10231, 13754, 18101, 20462, 27508, 36202, 40924, 72404, 235313, 416323, 470626, 832646, 941252, 1665292, 5412199, 10824398, 21648796]

約数ペア:

[(1, 21648796), (2, 10824398), (4, 5412199), (13, 1665292), (23, 941252), (26, 832646), (46, 470626), (52, 416323), (92, 235313), (299, 72404), (529, 40924), (598, 36202), (787, 27508), (1058, 20462), (1196, 18101), (1574, 13754), (2116, 10231), (3148, 6877)]