21867586

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2146

約数の個数: 24

約数和(自身を含む): 36681984

約数和(自身を除く): 14814398

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2087, 4174, 5239, 10478, 27131, 54262, 64697, 129394, 352703, 705406, 841061, 1682122, 10933793, 21867586]

約数ペア:

[(1, 21867586), (2, 10933793), (13, 1682122), (26, 841061), (31, 705406), (62, 352703), (169, 129394), (338, 64697), (403, 54262), (806, 27131), (2087, 10478), (4174, 5239)]