21614586

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2043

約数の個数: 48

約数和(自身を含む): 51672096

約数和(自身を除く): 30057510

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1813, 1987, 3626, 3974, 5439, 5961, 10878, 11922, 13909, 27818, 41727, 73519, 83454, 97363, 147038, 194726, 220557, 292089, 441114, 514633, 584178, 1029266, 1543899, 3087798, 3602431, 7204862, 10807293, 21614586]

約数ペア:

[(1, 21614586), (2, 10807293), (3, 7204862), (6, 3602431), (7, 3087798), (14, 1543899), (21, 1029266), (37, 584178), (42, 514633), (49, 441114), (74, 292089), (98, 220557), (111, 194726), (147, 147038), (222, 97363), (259, 83454), (294, 73519), (518, 41727), (777, 27818), (1554, 13909), (1813, 11922), (1987, 10878), (3626, 5961), (3974, 5439)]