21008225880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19452061}}^1$

素因数の和:19452081

約数の個数: 64

約数和(自身を含む): 70027423200

約数和(自身を除く): 49019197320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19452061, 38904122, 58356183, 77808244, 97260305, 116712366, 155616488, 175068549, 194520610, 233424732, 291780915, 350137098, 389041220, 466849464, 525205647, 583561830, 700274196, 778082440, 875342745, 1050411294, 1167123660, 1400548392, 1750685490, 2100822588, 2334247320, 2626028235, 3501370980, 4201645176, 5252056470, 7002741960, 10504112940, 21008225880]

約数ペア:

[(1, 21008225880), (2, 10504112940), (3, 7002741960), (4, 5252056470), (5, 4201645176), (6, 3501370980), (8, 2626028235), (9, 2334247320), (10, 2100822588), (12, 1750685490), (15, 1400548392), (18, 1167123660), (20, 1050411294), (24, 875342745), (27, 778082440), (30, 700274196), (36, 583561830), (40, 525205647), (45, 466849464), (54, 389041220), (60, 350137098), (72, 291780915), (90, 233424732), (108, 194520610), (120, 175068549), (135, 155616488), (180, 116712366), (216, 97260305), (270, 77808244), (360, 58356183), (540, 38904122), (1080, 19452061)]