21049811172

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{49481}}^1$

素因数の和:49611

約数の個数: 120

約数和(自身を含む): 59849270712

約数和(自身を除く): 38799459540

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 101, 108, 117, 156, 162, 202, 234, 303, 324, 351, 404, 468, 606, 702, 909, 1053, 1212, 1313, 1404, 1818, 2106, 2626, 2727, 3636, 3939, 4212, 5252, 5454, 7878, 8181, 10908, 11817, 15756, 16362, 23634, 32724, 35451, 47268, 49481, 70902, 98962, 106353, 141804, 148443, 197924, 212706, 296886, 425412, 445329, 593772, 643253, 890658, 1286506, 1335987, 1781316, 1929759, 2573012, 2671974, 3859518, 4007961, 4997581, 5343948, 5789277, 7719036, 8015922, 9995162, 11578554, 14992743, 16031844, 17367831, 19990324, 23157108, 29985486, 34735662, 44978229, 52103493, 59970972, 64968553, 69471324, 89956458, 104206986, 129937106, 134934687, 179912916, 194905659, 208413972, 259874212, 269869374, 389811318, 404804061, 539738748, 584716977, 779622636, 809608122, 1169433954, 1619216244, 1754150931, 2338867908, 3508301862, 5262452793, 7016603724, 10524905586, 21049811172]

約数ペア:

[(1, 21049811172), (2, 10524905586), (3, 7016603724), (4, 5262452793), (6, 3508301862), (9, 2338867908), (12, 1754150931), (13, 1619216244), (18, 1169433954), (26, 809608122), (27, 779622636), (36, 584716977), (39, 539738748), (52, 404804061), (54, 389811318), (78, 269869374), (81, 259874212), (101, 208413972), (108, 194905659), (117, 179912916), (156, 134934687), (162, 129937106), (202, 104206986), (234, 89956458), (303, 69471324), (324, 64968553), (351, 59970972), (404, 52103493), (468, 44978229), (606, 34735662), (702, 29985486), (909, 23157108), (1053, 19990324), (1212, 17367831), (1313, 16031844), (1404, 14992743), (1818, 11578554), (2106, 9995162), (2626, 8015922), (2727, 7719036), (3636, 5789277), (3939, 5343948), (4212, 4997581), (5252, 4007961), (5454, 3859518), (7878, 2671974), (8181, 2573012), (10908, 1929759), (11817, 1781316), (15756, 1335987), (16362, 1286506), (23634, 890658), (32724, 643253), (35451, 593772), (47268, 445329), (49481, 425412), (70902, 296886), (98962, 212706), (106353, 197924), (141804, 148443)]