21529090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10301}}^1$

素因数の和:10338

約数の個数: 32

約数和(自身を含む): 44504640

約数和(自身を除く): 22975550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 10301, 20602, 51505, 103010, 113311, 195719, 226622, 391438, 566555, 978595, 1133110, 1957190, 2152909, 4305818, 10764545, 21529090]

約数ペア:

[(1, 21529090), (2, 10764545), (5, 4305818), (10, 2152909), (11, 1957190), (19, 1133110), (22, 978595), (38, 566555), (55, 391438), (95, 226622), (110, 195719), (190, 113311), (209, 103010), (418, 51505), (1045, 20602), (2090, 10301)]