21586320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4283}}^1$

素因数の和:4309

約数の個数: 120

約数和(自身を含む): 82869696

約数和(自身を除く): 61283376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 4283, 5040, 8566, 12849, 17132, 21415, 25698, 29981, 34264, 38547, 42830, 51396, 59962, 64245, 68528, 77094, 85660, 89943, 102792, 119924, 128490, 149905, 154188, 171320, 179886, 192735, 205584, 239848, 256980, 269829, 299810, 308376, 342640, 359772, 385470, 449715, 479696, 513960, 539658, 599620, 616752, 719544, 770940, 899430, 1027920, 1079316, 1199240, 1349145, 1439088, 1541880, 1798860, 2158632, 2398480, 2698290, 3083760, 3597720, 4317264, 5396580, 7195440, 10793160, 21586320]

約数ペア:

[(1, 21586320), (2, 10793160), (3, 7195440), (4, 5396580), (5, 4317264), (6, 3597720), (7, 3083760), (8, 2698290), (9, 2398480), (10, 2158632), (12, 1798860), (14, 1541880), (15, 1439088), (16, 1349145), (18, 1199240), (20, 1079316), (21, 1027920), (24, 899430), (28, 770940), (30, 719544), (35, 616752), (36, 599620), (40, 539658), (42, 513960), (45, 479696), (48, 449715), (56, 385470), (60, 359772), (63, 342640), (70, 308376), (72, 299810), (80, 269829), (84, 256980), (90, 239848), (105, 205584), (112, 192735), (120, 179886), (126, 171320), (140, 154188), (144, 149905), (168, 128490), (180, 119924), (210, 102792), (240, 89943), (252, 85660), (280, 77094), (315, 68528), (336, 64245), (360, 59962), (420, 51396), (504, 42830), (560, 38547), (630, 34264), (720, 29981), (840, 25698), (1008, 21415), (1260, 17132), (1680, 12849), (2520, 8566), (4283, 5040)]