21819870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 38563362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 83, 90, 115, 127, 138, 166, 207, 230, 249, 254, 345, 381, 414, 415, 498, 635, 690, 747, 762, 830, 1035, 1143, 1245, 1270, 1494, 1905, 1909, 2070, 2286, 2490, 2921, 3735, 3810, 3818, 5715, 5727, 5842, 7470, 8763, 9545, 10541, 11430, 11454, 14605, 17181, 17526, 19090, 21082, 26289, 28635, 29210, 31623, 34362, 43815, 52578, 52705, 57270, 63246, 85905, 87630, 94869, 105410, 131445, 158115, 171810, 189738, 242443, 262890, 316230, 474345, 484886, 727329, 948690, 1212215, 1454658, 2181987, 2424430, 3636645, 4363974, 7273290, 10909935, 21819870]

約数ペア:

[(1, 21819870), (2, 10909935), (3, 7273290), (5, 4363974), (6, 3636645), (9, 2424430), (10, 2181987), (15, 1454658), (18, 1212215), (23, 948690), (30, 727329), (45, 484886), (46, 474345), (69, 316230), (83, 262890), (90, 242443), (115, 189738), (127, 171810), (138, 158115), (166, 131445), (207, 105410), (230, 94869), (249, 87630), (254, 85905), (345, 63246), (381, 57270), (414, 52705), (415, 52578), (498, 43815), (635, 34362), (690, 31623), (747, 29210), (762, 28635), (830, 26289), (1035, 21082), (1143, 19090), (1245, 17526), (1270, 17181), (1494, 14605), (1905, 11454), (1909, 11430), (2070, 10541), (2286, 9545), (2490, 8763), (2921, 7470), (3735, 5842), (3810, 5727), (3818, 5715)]