21808330920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{71353}}^1$

素因数の和:71656

約数の個数: 128

約数和(自身を含む): 72952329600

約数和(自身を除く): 51143998680

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, 283, 360, 540, 566, 849, 1080, 1132, 1415, 1698, 2264, 2547, 2830, 3396, 4245, 5094, 5660, 6792, 7641, 8490, 10188, 11320, 12735, 15282, 16980, 20376, 25470, 30564, 33960, 38205, 50940, 61128, 71353, 76410, 101880, 142706, 152820, 214059, 285412, 305640, 356765, 428118, 570824, 642177, 713530, 856236, 1070295, 1284354, 1427060, 1712472, 1926531, 2140590, 2568708, 2854120, 3210885, 3853062, 4281180, 5137416, 6421770, 7706124, 8562360, 9632655, 12843540, 15412248, 19265310, 20192899, 25687080, 38530620, 40385798, 60578697, 77061240, 80771596, 100964495, 121157394, 161543192, 181736091, 201928990, 242314788, 302893485, 363472182, 403857980, 484629576, 545208273, 605786970, 726944364, 807715960, 908680455, 1090416546, 1211573940, 1453888728, 1817360910, 2180833092, 2423147880, 2726041365, 3634721820, 4361666184, 5452082730, 7269443640, 10904165460, 21808330920]

約数ペア:

[(1, 21808330920), (2, 10904165460), (3, 7269443640), (4, 5452082730), (5, 4361666184), (6, 3634721820), (8, 2726041365), (9, 2423147880), (10, 2180833092), (12, 1817360910), (15, 1453888728), (18, 1211573940), (20, 1090416546), (24, 908680455), (27, 807715960), (30, 726944364), (36, 605786970), (40, 545208273), (45, 484629576), (54, 403857980), (60, 363472182), (72, 302893485), (90, 242314788), (108, 201928990), (120, 181736091), (135, 161543192), (180, 121157394), (216, 100964495), (270, 80771596), (283, 77061240), (360, 60578697), (540, 40385798), (566, 38530620), (849, 25687080), (1080, 20192899), (1132, 19265310), (1415, 15412248), (1698, 12843540), (2264, 9632655), (2547, 8562360), (2830, 7706124), (3396, 6421770), (4245, 5137416), (5094, 4281180), (5660, 3853062), (6792, 3210885), (7641, 2854120), (8490, 2568708), (10188, 2140590), (11320, 1926531), (12735, 1712472), (15282, 1427060), (16980, 1284354), (20376, 1070295), (25470, 856236), (30564, 713530), (33960, 642177), (38205, 570824), (50940, 428118), (61128, 356765), (71353, 305640), (76410, 285412), (101880, 214059), (142706, 152820)]