21306785760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1138183}}^1$

素因数の和:1138217

約数の個数: 144

約数和(自身を含む): 78302506464

約数和(自身を除く): 56995720704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 1138183, 2276366, 3414549, 4552732, 5690915, 6829098, 9105464, 10243647, 11381830, 13658196, 14796379, 17072745, 18210928, 20487294, 22763660, 27316392, 29592758, 34145490, 36421856, 40974588, 44389137, 45527320, 51218235, 54632784, 59185516, 68290980, 73981895, 81949176, 88778274, 91054640, 102436470, 109265568, 118371032, 133167411, 136581960, 147963790, 163898352, 177556548, 182109280, 204872940, 221945685, 236742064, 266334822, 273163920, 295927580, 327796704, 355113096, 409745880, 443891370, 473484128, 532669644, 546327840, 591855160, 665837055, 710226192, 819491760, 887782740, 1065339288, 1183710320, 1331674110, 1420452384, 1638983520, 1775565480, 2130678576, 2367420640, 2663348220, 3551130960, 4261357152, 5326696440, 7102261920, 10653392880, 21306785760]

約数ペア:

[(1, 21306785760), (2, 10653392880), (3, 7102261920), (4, 5326696440), (5, 4261357152), (6, 3551130960), (8, 2663348220), (9, 2367420640), (10, 2130678576), (12, 1775565480), (13, 1638983520), (15, 1420452384), (16, 1331674110), (18, 1183710320), (20, 1065339288), (24, 887782740), (26, 819491760), (30, 710226192), (32, 665837055), (36, 591855160), (39, 546327840), (40, 532669644), (45, 473484128), (48, 443891370), (52, 409745880), (60, 355113096), (65, 327796704), (72, 295927580), (78, 273163920), (80, 266334822), (90, 236742064), (96, 221945685), (104, 204872940), (117, 182109280), (120, 177556548), (130, 163898352), (144, 147963790), (156, 136581960), (160, 133167411), (180, 118371032), (195, 109265568), (208, 102436470), (234, 91054640), (240, 88778274), (260, 81949176), (288, 73981895), (312, 68290980), (360, 59185516), (390, 54632784), (416, 51218235), (468, 45527320), (480, 44389137), (520, 40974588), (585, 36421856), (624, 34145490), (720, 29592758), (780, 27316392), (936, 22763660), (1040, 20487294), (1170, 18210928), (1248, 17072745), (1440, 14796379), (1560, 13658196), (1872, 11381830), (2080, 10243647), (2340, 9105464), (3120, 6829098), (3744, 5690915), (4680, 4552732), (6240, 3414549), (9360, 2276366), (18720, 1138183)]