21541140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13297}}^1$

素因数の和:13318

約数の個数: 60

約数和(自身を含む): 67580436

約数和(自身を除く): 46039296

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13297, 26594, 39891, 53188, 66485, 79782, 119673, 132970, 159564, 199455, 239346, 265940, 359019, 398910, 478692, 598365, 718038, 797820, 1077057, 1196730, 1436076, 1795095, 2154114, 2393460, 3590190, 4308228, 5385285, 7180380, 10770570, 21541140]

約数ペア:

[(1, 21541140), (2, 10770570), (3, 7180380), (4, 5385285), (5, 4308228), (6, 3590190), (9, 2393460), (10, 2154114), (12, 1795095), (15, 1436076), (18, 1196730), (20, 1077057), (27, 797820), (30, 718038), (36, 598365), (45, 478692), (54, 398910), (60, 359019), (81, 265940), (90, 239346), (108, 199455), (135, 159564), (162, 132970), (180, 119673), (270, 79782), (324, 66485), (405, 53188), (540, 39891), (810, 26594), (1620, 13297)]