21306885840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{6761}}^1$

素因数の和:8242

約数の個数: 160

約数和(自身を含む): 73451548800

約数和(自身を除く): 52144662960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1459, 2160, 2918, 4377, 5836, 6761, 7295, 8754, 11672, 13131, 13522, 14590, 17508, 20283, 21885, 23344, 26262, 27044, 29180, 33805, 35016, 39393, 40566, 43770, 52524, 54088, 58360, 60849, 65655, 67610, 70032, 78786, 81132, 87540, 101415, 105048, 108176, 116720, 121698, 131310, 135220, 157572, 162264, 175080, 182547, 196965, 202830, 210096, 243396, 262620, 270440, 304245, 315144, 324528, 350160, 365094, 393930, 405660, 486792, 525240, 540880, 608490, 630288, 730188, 787860, 811320, 912735, 973584, 1050480, 1216980, 1460376, 1575720, 1622640, 1825470, 2433960, 2920752, 3151440, 3650940, 4867920, 7301880, 9864299, 14603760, 19728598, 29592897, 39457196, 49321495, 59185794, 78914392, 88778691, 98642990, 118371588, 147964485, 157828784, 177557382, 197285980, 236743176, 266336073, 295928970, 355114764, 394571960, 443893455, 473486352, 532672146, 591857940, 710229528, 789143920, 887786910, 1065344292, 1183715880, 1331680365, 1420459056, 1775573820, 2130688584, 2367431760, 2663360730, 3551147640, 4261377168, 5326721460, 7102295280, 10653442920, 21306885840]

約数ペア:

[(1, 21306885840), (2, 10653442920), (3, 7102295280), (4, 5326721460), (5, 4261377168), (6, 3551147640), (8, 2663360730), (9, 2367431760), (10, 2130688584), (12, 1775573820), (15, 1420459056), (16, 1331680365), (18, 1183715880), (20, 1065344292), (24, 887786910), (27, 789143920), (30, 710229528), (36, 591857940), (40, 532672146), (45, 473486352), (48, 443893455), (54, 394571960), (60, 355114764), (72, 295928970), (80, 266336073), (90, 236743176), (108, 197285980), (120, 177557382), (135, 157828784), (144, 147964485), (180, 118371588), (216, 98642990), (240, 88778691), (270, 78914392), (360, 59185794), (432, 49321495), (540, 39457196), (720, 29592897), (1080, 19728598), (1459, 14603760), (2160, 9864299), (2918, 7301880), (4377, 4867920), (5836, 3650940), (6761, 3151440), (7295, 2920752), (8754, 2433960), (11672, 1825470), (13131, 1622640), (13522, 1575720), (14590, 1460376), (17508, 1216980), (20283, 1050480), (21885, 973584), (23344, 912735), (26262, 811320), (27044, 787860), (29180, 730188), (33805, 630288), (35016, 608490), (39393, 540880), (40566, 525240), (43770, 486792), (52524, 405660), (54088, 393930), (58360, 365094), (60849, 350160), (65655, 324528), (67610, 315144), (70032, 304245), (78786, 270440), (81132, 262620), (87540, 243396), (101415, 210096), (105048, 202830), (108176, 196965), (116720, 182547), (121698, 175080), (131310, 162264), (135220, 157572)]