21945876

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 30738924

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 139, 177, 223, 236, 278, 354, 417, 446, 556, 669, 708, 834, 892, 1338, 1668, 2676, 8201, 13157, 16402, 24603, 26314, 30997, 32804, 39471, 49206, 52628, 61994, 78942, 92991, 98412, 123988, 157884, 185982, 371964, 1828823, 3657646, 5486469, 7315292, 10972938, 21945876]

約数ペア:

[(1, 21945876), (2, 10972938), (3, 7315292), (4, 5486469), (6, 3657646), (12, 1828823), (59, 371964), (118, 185982), (139, 157884), (177, 123988), (223, 98412), (236, 92991), (278, 78942), (354, 61994), (417, 52628), (446, 49206), (556, 39471), (669, 32804), (708, 30997), (834, 26314), (892, 24603), (1338, 16402), (1668, 13157), (2676, 8201)]