21747808

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12823}}^1$

素因数の和:12886

約数の個数: 24

約数和(自身を含む): 43627248

約数和(自身を除く): 21879440

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12823, 25646, 51292, 102584, 205168, 410336, 679619, 1359238, 2718476, 5436952, 10873904, 21747808]

約数ペア:

[(1, 21747808), (2, 10873904), (4, 5436952), (8, 2718476), (16, 1359238), (32, 679619), (53, 410336), (106, 205168), (212, 102584), (424, 51292), (848, 25646), (1696, 12823)]