21265416

素因数分解:

$2^3\times 3^5\times {\mathrm{10939}}^1$

素因数の和:10960

約数の個数: 48

約数和(自身を含む): 59732400

約数和(自身を除く): 38466984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10939, 21878, 32817, 43756, 65634, 87512, 98451, 131268, 196902, 262536, 295353, 393804, 590706, 787608, 886059, 1181412, 1772118, 2362824, 2658177, 3544236, 5316354, 7088472, 10632708, 21265416]

約数ペア:

[(1, 21265416), (2, 10632708), (3, 7088472), (4, 5316354), (6, 3544236), (8, 2658177), (9, 2362824), (12, 1772118), (18, 1181412), (24, 886059), (27, 787608), (36, 590706), (54, 393804), (72, 295353), (81, 262536), (108, 196902), (162, 131268), (216, 98451), (243, 87512), (324, 65634), (486, 43756), (648, 32817), (972, 21878), (1944, 10939)]