21800511

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3851}}^1$

素因数の和:3911

約数の個数: 24

約数和(自身を含む): 34251984

約数和(自身を除く): 12451473

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3851, 5661, 11553, 34659, 65467, 142487, 196401, 427461, 589203, 1282383, 2422279, 7266837, 21800511]

約数ペア:

[(1, 21800511), (3, 7266837), (9, 2422279), (17, 1282383), (37, 589203), (51, 427461), (111, 196401), (153, 142487), (333, 65467), (629, 34659), (1887, 11553), (3851, 5661)]