21070574

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 37402560

約数和(自身を除く): 16331986

約数列:

[1, 2, 7, 14, 53, 73, 106, 146, 371, 389, 511, 742, 778, 1022, 2723, 3869, 5446, 7738, 20617, 27083, 28397, 41234, 54166, 56794, 144319, 198779, 288638, 397558, 1505041, 3010082, 10535287, 21070574]

約数ペア:

[(1, 21070574), (2, 10535287), (7, 3010082), (14, 1505041), (53, 397558), (73, 288638), (106, 198779), (146, 144319), (371, 56794), (389, 54166), (511, 41234), (742, 28397), (778, 27083), (1022, 20617), (2723, 7738), (3869, 5446)]