21494817

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3797}}^1$

素因数の和:3857

約数の個数: 24

約数和(自身を含む): 33771816

約数和(自身を除く): 12276999

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3797, 5661, 11391, 34173, 64549, 140489, 193647, 421467, 580941, 1264401, 2388313, 7164939, 21494817]

約数ペア:

[(1, 21494817), (3, 7164939), (9, 2388313), (17, 1264401), (37, 580941), (51, 421467), (111, 193647), (153, 140489), (333, 64549), (629, 34173), (1887, 11391), (3797, 5661)]