21414896

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9629}}^1$

素因数の和:9776

約数の個数: 20

約数和(自身を含む): 41794200

約数和(自身を除く): 20379304

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9629, 19258, 38516, 77032, 154064, 1338431, 2676862, 5353724, 10707448, 21414896]

約数ペア:

[(1, 21414896), (2, 10707448), (4, 5353724), (8, 2676862), (16, 1338431), (139, 154064), (278, 77032), (556, 38516), (1112, 19258), (2224, 9629)]