21906283920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1\times {\mathrm{1879}}^1$

素因数の和:3493

約数の個数: 160

約数和(自身を含む): 70182174720

約数和(自身を除く): 48275890800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1567, 1860, 1879, 2480, 3134, 3720, 3758, 4701, 5637, 6268, 7440, 7516, 7835, 9395, 9402, 11274, 12536, 15032, 15670, 18790, 18804, 22548, 23505, 25072, 28185, 30064, 31340, 37580, 37608, 45096, 47010, 48577, 56370, 58249, 62680, 75160, 75216, 90192, 94020, 97154, 112740, 116498, 125360, 145731, 150320, 174747, 188040, 194308, 225480, 232996, 242885, 291245, 291462, 349494, 376080, 388616, 450960, 465992, 485770, 582490, 582924, 698988, 728655, 777232, 873735, 931984, 971540, 1164980, 1165848, 1397976, 1457310, 1747470, 1943080, 2329960, 2331696, 2795952, 2914620, 2944393, 3494940, 3886160, 4659920, 5829240, 5888786, 6989880, 8833179, 11658480, 11777572, 13979760, 14721965, 17666358, 23555144, 29443930, 35332716, 44165895, 47110288, 58887860, 70665432, 88331790, 91276183, 117775720, 141330864, 176663580, 182552366, 235551440, 273828549, 353327160, 365104732, 456380915, 547657098, 706654320, 730209464, 912761830, 1095314196, 1369142745, 1460418928, 1825523660, 2190628392, 2738285490, 3651047320, 4381256784, 5476570980, 7302094640, 10953141960, 21906283920]

約数ペア:

[(1, 21906283920), (2, 10953141960), (3, 7302094640), (4, 5476570980), (5, 4381256784), (6, 3651047320), (8, 2738285490), (10, 2190628392), (12, 1825523660), (15, 1460418928), (16, 1369142745), (20, 1095314196), (24, 912761830), (30, 730209464), (31, 706654320), (40, 547657098), (48, 456380915), (60, 365104732), (62, 353327160), (80, 273828549), (93, 235551440), (120, 182552366), (124, 176663580), (155, 141330864), (186, 117775720), (240, 91276183), (248, 88331790), (310, 70665432), (372, 58887860), (465, 47110288), (496, 44165895), (620, 35332716), (744, 29443930), (930, 23555144), (1240, 17666358), (1488, 14721965), (1567, 13979760), (1860, 11777572), (1879, 11658480), (2480, 8833179), (3134, 6989880), (3720, 5888786), (3758, 5829240), (4701, 4659920), (5637, 3886160), (6268, 3494940), (7440, 2944393), (7516, 2914620), (7835, 2795952), (9395, 2331696), (9402, 2329960), (11274, 1943080), (12536, 1747470), (15032, 1457310), (15670, 1397976), (18790, 1165848), (18804, 1164980), (22548, 971540), (23505, 931984), (25072, 873735), (28185, 777232), (30064, 728655), (31340, 698988), (37580, 582924), (37608, 582490), (45096, 485770), (47010, 465992), (48577, 450960), (56370, 388616), (58249, 376080), (62680, 349494), (75160, 291462), (75216, 291245), (90192, 242885), (94020, 232996), (97154, 225480), (112740, 194308), (116498, 188040), (125360, 174747), (145731, 150320)]