21917280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{593}}^1$

素因数の和:629

約数の個数: 192

約数和(自身を含む): 86220288

約数和(自身を除く): 64303008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 560, 593, 616, 660, 672, 770, 840, 880, 924, 1056, 1120, 1155, 1186, 1232, 1320, 1540, 1680, 1760, 1779, 1848, 2310, 2372, 2464, 2640, 2965, 3080, 3360, 3558, 3696, 4151, 4620, 4744, 5280, 5930, 6160, 6523, 7116, 7392, 8302, 8895, 9240, 9488, 11860, 12320, 12453, 13046, 14232, 16604, 17790, 18480, 18976, 19569, 20755, 23720, 24906, 26092, 28464, 32615, 33208, 35580, 36960, 39138, 41510, 45661, 47440, 49812, 52184, 56928, 62265, 65230, 66416, 71160, 78276, 83020, 91322, 94880, 97845, 99624, 104368, 124530, 130460, 132832, 136983, 142320, 156552, 166040, 182644, 195690, 199248, 208736, 228305, 249060, 260920, 273966, 284640, 313104, 332080, 365288, 391380, 398496, 456610, 498120, 521840, 547932, 626208, 664160, 684915, 730576, 782760, 913220, 996240, 1043680, 1095864, 1369830, 1461152, 1565520, 1826440, 1992480, 2191728, 2739660, 3131040, 3652880, 4383456, 5479320, 7305760, 10958640, 21917280]

約数ペア:

[(1, 21917280), (2, 10958640), (3, 7305760), (4, 5479320), (5, 4383456), (6, 3652880), (7, 3131040), (8, 2739660), (10, 2191728), (11, 1992480), (12, 1826440), (14, 1565520), (15, 1461152), (16, 1369830), (20, 1095864), (21, 1043680), (22, 996240), (24, 913220), (28, 782760), (30, 730576), (32, 684915), (33, 664160), (35, 626208), (40, 547932), (42, 521840), (44, 498120), (48, 456610), (55, 398496), (56, 391380), (60, 365288), (66, 332080), (70, 313104), (77, 284640), (80, 273966), (84, 260920), (88, 249060), (96, 228305), (105, 208736), (110, 199248), (112, 195690), (120, 182644), (132, 166040), (140, 156552), (154, 142320), (160, 136983), (165, 132832), (168, 130460), (176, 124530), (210, 104368), (220, 99624), (224, 97845), (231, 94880), (240, 91322), (264, 83020), (280, 78276), (308, 71160), (330, 66416), (336, 65230), (352, 62265), (385, 56928), (420, 52184), (440, 49812), (462, 47440), (480, 45661), (528, 41510), (560, 39138), (593, 36960), (616, 35580), (660, 33208), (672, 32615), (770, 28464), (840, 26092), (880, 24906), (924, 23720), (1056, 20755), (1120, 19569), (1155, 18976), (1186, 18480), (1232, 17790), (1320, 16604), (1540, 14232), (1680, 13046), (1760, 12453), (1779, 12320), (1848, 11860), (2310, 9488), (2372, 9240), (2464, 8895), (2640, 8302), (2965, 7392), (3080, 7116), (3360, 6523), (3558, 6160), (3696, 5930), (4151, 5280), (4620, 4744)]