21961245488

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:875

約数の個数: 160

約数和(自身を含む): 53079936000

約数和(自身を除く): 31118690512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 167, 181, 182, 208, 334, 362, 364, 499, 668, 724, 728, 998, 1169, 1267, 1336, 1448, 1456, 1996, 2171, 2338, 2353, 2534, 2672, 2896, 3493, 3992, 4342, 4676, 4706, 5068, 6487, 6986, 7984, 8684, 9352, 9412, 10136, 12974, 13972, 15197, 16471, 17368, 18704, 18824, 20272, 25948, 27944, 30227, 30394, 32942, 34736, 37648, 45409, 51896, 55888, 60454, 60788, 65884, 83333, 90319, 90818, 103792, 120908, 121576, 131768, 166666, 180638, 181636, 211589, 241816, 243152, 263536, 333332, 361276, 363272, 392951, 423178, 483632, 583331, 632233, 666664, 722552, 726544, 785902, 846356, 1083329, 1166662, 1174147, 1264466, 1333328, 1445104, 1571804, 1692712, 2166658, 2333324, 2348294, 2528932, 2750657, 3143608, 3385424, 4333316, 4666648, 4696588, 5057864, 5501314, 6287216, 7583303, 8219029, 8666632, 9333296, 9393176, 10115728, 11002628, 15083273, 15166606, 16438058, 17333264, 18786352, 22005256, 30166546, 30333212, 32876116, 44010512, 60333092, 60666424, 65752232, 105582911, 120666184, 121332848, 131504464, 196082549, 211165822, 241332368, 392165098, 422331644, 784330196, 844663288, 1372577843, 1568660392, 1689326576, 2745155686, 3137320784, 5490311372, 10980622744, 21961245488]

約数ペア:

[(1, 21961245488), (2, 10980622744), (4, 5490311372), (7, 3137320784), (8, 2745155686), (13, 1689326576), (14, 1568660392), (16, 1372577843), (26, 844663288), (28, 784330196), (52, 422331644), (56, 392165098), (91, 241332368), (104, 211165822), (112, 196082549), (167, 131504464), (181, 121332848), (182, 120666184), (208, 105582911), (334, 65752232), (362, 60666424), (364, 60333092), (499, 44010512), (668, 32876116), (724, 30333212), (728, 30166546), (998, 22005256), (1169, 18786352), (1267, 17333264), (1336, 16438058), (1448, 15166606), (1456, 15083273), (1996, 11002628), (2171, 10115728), (2338, 9393176), (2353, 9333296), (2534, 8666632), (2672, 8219029), (2896, 7583303), (3493, 6287216), (3992, 5501314), (4342, 5057864), (4676, 4696588), (4706, 4666648), (5068, 4333316), (6487, 3385424), (6986, 3143608), (7984, 2750657), (8684, 2528932), (9352, 2348294), (9412, 2333324), (10136, 2166658), (12974, 1692712), (13972, 1571804), (15197, 1445104), (16471, 1333328), (17368, 1264466), (18704, 1174147), (18824, 1166662), (20272, 1083329), (25948, 846356), (27944, 785902), (30227, 726544), (30394, 722552), (32942, 666664), (34736, 632233), (37648, 583331), (45409, 483632), (51896, 423178), (55888, 392951), (60454, 363272), (60788, 361276), (65884, 333332), (83333, 263536), (90319, 243152), (90818, 241816), (103792, 211589), (120908, 181636), (121576, 180638), (131768, 166666)]