21076388520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{55249}}^1$

素因数の和:55308

約数の個数: 192

約数和(自身を含む): 73274760000

約数和(自身を除く): 52198371480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 289, 330, 340, 374, 408, 440, 510, 561, 578, 660, 680, 748, 867, 935, 1020, 1122, 1156, 1320, 1445, 1496, 1734, 1870, 2040, 2244, 2312, 2805, 2890, 3179, 3468, 3740, 4335, 4488, 5610, 5780, 6358, 6936, 7480, 8670, 9537, 11220, 11560, 12716, 15895, 17340, 19074, 22440, 25432, 31790, 34680, 38148, 47685, 55249, 63580, 76296, 95370, 110498, 127160, 165747, 190740, 220996, 276245, 331494, 381480, 441992, 552490, 607739, 662988, 828735, 939233, 1104980, 1215478, 1325976, 1657470, 1823217, 1878466, 2209960, 2430956, 2817699, 3038695, 3314940, 3646434, 3756932, 4696165, 4861912, 5635398, 6077390, 6629880, 7292868, 7513864, 9116085, 9392330, 10331563, 11270796, 12154780, 14088495, 14585736, 15966961, 18232170, 18784660, 20663126, 22541592, 24309560, 28176990, 30994689, 31933922, 36464340, 37569320, 41326252, 47900883, 51657815, 56353980, 61989378, 63867844, 72928680, 79834805, 82652504, 95801766, 103315630, 112707960, 123978756, 127735688, 154973445, 159669610, 175636571, 191603532, 206631260, 239504415, 247957512, 309946890, 319339220, 351273142, 383207064, 413262520, 479008830, 526909713, 619893780, 638678440, 702546284, 878182855, 958017660, 1053819426, 1239787560, 1405092568, 1756365710, 1916035320, 2107638852, 2634548565, 3512731420, 4215277704, 5269097130, 7025462840, 10538194260, 21076388520]

約数ペア:

[(1, 21076388520), (2, 10538194260), (3, 7025462840), (4, 5269097130), (5, 4215277704), (6, 3512731420), (8, 2634548565), (10, 2107638852), (11, 1916035320), (12, 1756365710), (15, 1405092568), (17, 1239787560), (20, 1053819426), (22, 958017660), (24, 878182855), (30, 702546284), (33, 638678440), (34, 619893780), (40, 526909713), (44, 479008830), (51, 413262520), (55, 383207064), (60, 351273142), (66, 319339220), (68, 309946890), (85, 247957512), (88, 239504415), (102, 206631260), (110, 191603532), (120, 175636571), (132, 159669610), (136, 154973445), (165, 127735688), (170, 123978756), (187, 112707960), (204, 103315630), (220, 95801766), (255, 82652504), (264, 79834805), (289, 72928680), (330, 63867844), (340, 61989378), (374, 56353980), (408, 51657815), (440, 47900883), (510, 41326252), (561, 37569320), (578, 36464340), (660, 31933922), (680, 30994689), (748, 28176990), (867, 24309560), (935, 22541592), (1020, 20663126), (1122, 18784660), (1156, 18232170), (1320, 15966961), (1445, 14585736), (1496, 14088495), (1734, 12154780), (1870, 11270796), (2040, 10331563), (2244, 9392330), (2312, 9116085), (2805, 7513864), (2890, 7292868), (3179, 6629880), (3468, 6077390), (3740, 5635398), (4335, 4861912), (4488, 4696165), (5610, 3756932), (5780, 3646434), (6358, 3314940), (6936, 3038695), (7480, 2817699), (8670, 2430956), (9537, 2209960), (11220, 1878466), (11560, 1823217), (12716, 1657470), (15895, 1325976), (17340, 1215478), (19074, 1104980), (22440, 939233), (25432, 828735), (31790, 662988), (34680, 607739), (38148, 552490), (47685, 441992), (55249, 381480), (63580, 331494), (76296, 276245), (95370, 220996), (110498, 190740), (127160, 165747)]