21127041

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2662

約数の個数: 32

約数和(自身を含む): 35185920

約数和(自身を除く): 14058879

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2617, 2691, 7851, 8073, 23553, 34021, 60191, 70659, 102063, 180573, 306189, 541719, 782483, 918567, 1625157, 2347449, 7042347, 21127041]

約数ペア:

[(1, 21127041), (3, 7042347), (9, 2347449), (13, 1625157), (23, 918567), (27, 782483), (39, 541719), (69, 306189), (117, 180573), (207, 102063), (299, 70659), (351, 60191), (621, 34021), (897, 23553), (2617, 8073), (2691, 7851)]