21818082

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 30436638

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 177, 286, 354, 429, 431, 649, 767, 858, 862, 1293, 1298, 1534, 1947, 2301, 2586, 3894, 4602, 4741, 5603, 8437, 9482, 11206, 14223, 16809, 16874, 25311, 25429, 28446, 33618, 50622, 50858, 61633, 76287, 123266, 152574, 184899, 279719, 330577, 369798, 559438, 661154, 839157, 991731, 1678314, 1983462, 3636347, 7272694, 10909041, 21818082]

約数ペア:

[(1, 21818082), (2, 10909041), (3, 7272694), (6, 3636347), (11, 1983462), (13, 1678314), (22, 991731), (26, 839157), (33, 661154), (39, 559438), (59, 369798), (66, 330577), (78, 279719), (118, 184899), (143, 152574), (177, 123266), (286, 76287), (354, 61633), (429, 50858), (431, 50622), (649, 33618), (767, 28446), (858, 25429), (862, 25311), (1293, 16874), (1298, 16809), (1534, 14223), (1947, 11206), (2301, 9482), (2586, 8437), (3894, 5603), (4602, 4741)]