21506580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39827}}^1$

素因数の和:39845

約数の個数: 48

約数和(自身を含む): 66911040

約数和(自身を除く): 45404460

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, 39827, 79654, 119481, 159308, 199135, 238962, 358443, 398270, 477924, 597405, 716886, 796540, 1075329, 1194810, 1433772, 1792215, 2150658, 2389620, 3584430, 4301316, 5376645, 7168860, 10753290, 21506580]

約数ペア:

[(1, 21506580), (2, 10753290), (3, 7168860), (4, 5376645), (5, 4301316), (6, 3584430), (9, 2389620), (10, 2150658), (12, 1792215), (15, 1433772), (18, 1194810), (20, 1075329), (27, 796540), (30, 716886), (36, 597405), (45, 477924), (54, 398270), (60, 358443), (90, 238962), (108, 199135), (135, 159308), (180, 119481), (270, 79654), (540, 39827)]