21193798680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{31771}}^1$

素因数の和:31914

約数の個数: 192

約数和(自身を含む): 73603015200

約数和(自身を除く): 52409216520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 109, 120, 136, 153, 170, 180, 204, 218, 255, 306, 327, 340, 360, 408, 436, 510, 545, 612, 654, 680, 765, 872, 981, 1020, 1090, 1224, 1308, 1530, 1635, 1853, 1962, 2040, 2180, 2616, 3060, 3270, 3706, 3924, 4360, 4905, 5559, 6120, 6540, 7412, 7848, 9265, 9810, 11118, 13080, 14824, 16677, 18530, 19620, 22236, 27795, 31771, 33354, 37060, 39240, 44472, 55590, 63542, 66708, 74120, 83385, 95313, 111180, 127084, 133416, 158855, 166770, 190626, 222360, 254168, 285939, 317710, 333540, 381252, 476565, 540107, 571878, 635420, 667080, 762504, 953130, 1080214, 1143756, 1270840, 1429695, 1620321, 1906260, 2160428, 2287512, 2700535, 2859390, 3240642, 3463039, 3812520, 4320856, 4860963, 5401070, 5718780, 6481284, 6926078, 8101605, 9721926, 10389117, 10802140, 11437560, 12962568, 13852156, 16203210, 17315195, 19443852, 20778234, 21604280, 24304815, 27704312, 31167351, 32406420, 34630390, 38887704, 41556468, 48609630, 51945585, 58871663, 62334702, 64812840, 69260780, 83112936, 97219260, 103891170, 117743326, 124669404, 138521560, 155836755, 176614989, 194438520, 207782340, 235486652, 249338808, 294358315, 311673510, 353229978, 415564680, 470973304, 529844967, 588716630, 623347020, 706459956, 883074945, 1059689934, 1177433260, 1246694040, 1412919912, 1766149890, 2119379868, 2354866520, 2649224835, 3532299780, 4238759736, 5298449670, 7064599560, 10596899340, 21193798680]

約数ペア:

[(1, 21193798680), (2, 10596899340), (3, 7064599560), (4, 5298449670), (5, 4238759736), (6, 3532299780), (8, 2649224835), (9, 2354866520), (10, 2119379868), (12, 1766149890), (15, 1412919912), (17, 1246694040), (18, 1177433260), (20, 1059689934), (24, 883074945), (30, 706459956), (34, 623347020), (36, 588716630), (40, 529844967), (45, 470973304), (51, 415564680), (60, 353229978), (68, 311673510), (72, 294358315), (85, 249338808), (90, 235486652), (102, 207782340), (109, 194438520), (120, 176614989), (136, 155836755), (153, 138521560), (170, 124669404), (180, 117743326), (204, 103891170), (218, 97219260), (255, 83112936), (306, 69260780), (327, 64812840), (340, 62334702), (360, 58871663), (408, 51945585), (436, 48609630), (510, 41556468), (545, 38887704), (612, 34630390), (654, 32406420), (680, 31167351), (765, 27704312), (872, 24304815), (981, 21604280), (1020, 20778234), (1090, 19443852), (1224, 17315195), (1308, 16203210), (1530, 13852156), (1635, 12962568), (1853, 11437560), (1962, 10802140), (2040, 10389117), (2180, 9721926), (2616, 8101605), (3060, 6926078), (3270, 6481284), (3706, 5718780), (3924, 5401070), (4360, 4860963), (4905, 4320856), (5559, 3812520), (6120, 3463039), (6540, 3240642), (7412, 2859390), (7848, 2700535), (9265, 2287512), (9810, 2160428), (11118, 1906260), (13080, 1620321), (14824, 1429695), (16677, 1270840), (18530, 1143756), (19620, 1080214), (22236, 953130), (27795, 762504), (31771, 667080), (33354, 635420), (37060, 571878), (39240, 540107), (44472, 476565), (55590, 381252), (63542, 333540), (66708, 317710), (74120, 285939), (83385, 254168), (95313, 222360), (111180, 190626), (127084, 166770), (133416, 158855)]