21683774

素因数分解:

$2^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 38539200

約数和(自身を除く): 16855426

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 343, 433, 511, 686, 866, 1022, 3031, 3577, 6062, 7154, 21217, 25039, 31609, 42434, 50078, 63218, 148519, 221263, 297038, 442526, 1548841, 3097682, 10841887, 21683774]

約数ペア:

[(1, 21683774), (2, 10841887), (7, 3097682), (14, 1548841), (49, 442526), (73, 297038), (98, 221263), (146, 148519), (343, 63218), (433, 50078), (511, 42434), (686, 31609), (866, 25039), (1022, 21217), (3031, 7154), (3577, 6062)]