21938580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40627}}^1$

素因数の和:40645

約数の個数: 48

約数和(自身を含む): 68255040

約数和(自身を除く): 46316460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40627, 81254, 121881, 162508, 203135, 243762, 365643, 406270, 487524, 609405, 731286, 812540, 1096929, 1218810, 1462572, 1828215, 2193858, 2437620, 3656430, 4387716, 5484645, 7312860, 10969290, 21938580]

約数ペア:

[(1, 21938580), (2, 10969290), (3, 7312860), (4, 5484645), (5, 4387716), (6, 3656430), (9, 2437620), (10, 2193858), (12, 1828215), (15, 1462572), (18, 1218810), (20, 1096929), (27, 812540), (30, 731286), (36, 609405), (45, 487524), (54, 406270), (60, 365643), (90, 243762), (108, 203135), (135, 162508), (180, 121881), (270, 81254), (540, 40627)]