21292786

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 13232654

約数列:

[1, 2, 29, 47, 58, 73, 94, 107, 146, 214, 1363, 2117, 2726, 3103, 3431, 4234, 5029, 6206, 6862, 7811, 10058, 15622, 99499, 145841, 198998, 226519, 291682, 367117, 453038, 734234, 10646393, 21292786]

約数ペア:

[(1, 21292786), (2, 10646393), (29, 734234), (47, 453038), (58, 367117), (73, 291682), (94, 226519), (107, 198998), (146, 145841), (214, 99499), (1363, 15622), (2117, 10058), (2726, 7811), (3103, 6862), (3431, 6206), (4234, 5029)]