21252042

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1117}}^1$

素因数の和:1283

約数の個数: 48

約数和(自身を含む): 53020032

約数和(自身を除く): 31767990

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 151, 302, 453, 906, 1057, 1117, 1359, 2114, 2234, 2718, 3171, 3351, 6342, 6702, 7819, 9513, 10053, 15638, 19026, 20106, 23457, 46914, 70371, 140742, 168667, 337334, 506001, 1012002, 1180669, 1518003, 2361338, 3036006, 3542007, 7084014, 10626021, 21252042]

約数ペア:

[(1, 21252042), (2, 10626021), (3, 7084014), (6, 3542007), (7, 3036006), (9, 2361338), (14, 1518003), (18, 1180669), (21, 1012002), (42, 506001), (63, 337334), (126, 168667), (151, 140742), (302, 70371), (453, 46914), (906, 23457), (1057, 20106), (1117, 19026), (1359, 15638), (2114, 10053), (2234, 9513), (2718, 7819), (3171, 6702), (3351, 6342)]