21000918114

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1278

約数の個数: 160

約数和(自身を含む): 52586677440

約数和(自身を除く): 31585759326

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 53, 54, 66, 81, 99, 106, 159, 162, 198, 229, 297, 318, 458, 477, 583, 594, 687, 891, 954, 971, 1166, 1374, 1431, 1749, 1782, 1942, 2061, 2519, 2862, 2913, 3498, 4122, 4293, 5038, 5247, 5826, 6183, 7557, 8586, 8739, 10494, 10681, 12137, 12366, 15114, 15741, 17478, 18549, 21362, 22671, 24274, 26217, 31482, 32043, 36411, 37098, 45342, 47223, 51463, 52434, 64086, 68013, 72822, 78651, 94446, 96129, 102926, 109233, 133507, 136026, 154389, 157302, 192258, 204039, 218466, 222359, 267014, 288387, 308778, 327699, 400521, 408078, 444718, 463167, 566093, 576774, 655398, 667077, 801042, 865161, 926334, 983097, 1132186, 1201563, 1334154, 1389501, 1698279, 1730322, 1966194, 2001231, 2403126, 2445949, 2779002, 3396558, 3604689, 4002462, 4168503, 4891898, 5094837, 6003693, 7209378, 7337847, 8337006, 10189674, 10814067, 11785027, 12007386, 14675694, 15284511, 18011079, 21628134, 22013541, 23570054, 30569022, 35355081, 36022158, 44027082, 45853533, 66040623, 70710162, 91707066, 106065243, 129635297, 132081246, 198121869, 212130486, 259270594, 318195729, 388905891, 396243738, 636391458, 777811782, 954587187, 1166717673, 1909174374, 2333435346, 3500153019, 7000306038, 10500459057, 21000918114]

約数ペア:

[(1, 21000918114), (2, 10500459057), (3, 7000306038), (6, 3500153019), (9, 2333435346), (11, 1909174374), (18, 1166717673), (22, 954587187), (27, 777811782), (33, 636391458), (53, 396243738), (54, 388905891), (66, 318195729), (81, 259270594), (99, 212130486), (106, 198121869), (159, 132081246), (162, 129635297), (198, 106065243), (229, 91707066), (297, 70710162), (318, 66040623), (458, 45853533), (477, 44027082), (583, 36022158), (594, 35355081), (687, 30569022), (891, 23570054), (954, 22013541), (971, 21628134), (1166, 18011079), (1374, 15284511), (1431, 14675694), (1749, 12007386), (1782, 11785027), (1942, 10814067), (2061, 10189674), (2519, 8337006), (2862, 7337847), (2913, 7209378), (3498, 6003693), (4122, 5094837), (4293, 4891898), (5038, 4168503), (5247, 4002462), (5826, 3604689), (6183, 3396558), (7557, 2779002), (8586, 2445949), (8739, 2403126), (10494, 2001231), (10681, 1966194), (12137, 1730322), (12366, 1698279), (15114, 1389501), (15741, 1334154), (17478, 1201563), (18549, 1132186), (21362, 983097), (22671, 926334), (24274, 865161), (26217, 801042), (31482, 667077), (32043, 655398), (36411, 576774), (37098, 566093), (45342, 463167), (47223, 444718), (51463, 408078), (52434, 400521), (64086, 327699), (68013, 308778), (72822, 288387), (78651, 267014), (94446, 222359), (96129, 218466), (102926, 204039), (109233, 192258), (133507, 157302), (136026, 154389)]