21495968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51673}}^1$

素因数の和:51696

約数の個数: 24

約数和(自身を含む): 45576468

約数和(自身を除く): 24080500

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51673, 103346, 206692, 413384, 671749, 826768, 1343498, 1653536, 2686996, 5373992, 10747984, 21495968]

約数ペア:

[(1, 21495968), (2, 10747984), (4, 5373992), (8, 2686996), (13, 1653536), (16, 1343498), (26, 826768), (32, 671749), (52, 413384), (104, 206692), (208, 103346), (416, 51673)]