21709064

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{16057}}^1$

素因数の和:16089

約数の個数: 24

約数和(自身を含む): 44079210

約数和(自身を除く): 22370146

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 16057, 32114, 64228, 128456, 208741, 417482, 834964, 1669928, 2713633, 5427266, 10854532, 21709064]

約数ペア:

[(1, 21709064), (2, 10854532), (4, 5427266), (8, 2713633), (13, 1669928), (26, 834964), (52, 417482), (104, 208741), (169, 128456), (338, 64228), (676, 32114), (1352, 16057)]