21009621038

素因数分解:

$2^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{8986151}}^1$

素因数の和:8986327

約数の個数: 16

約数和(自身を含む): 36232164864

約数和(自身を除く): 15222543826

約数列:

[1, 2, 7, 14, 167, 334, 1169, 2338, 8986151, 17972302, 62903057, 125806114, 1500687217, 3001374434, 10504810519, 21009621038]

約数ペア:

[(1, 21009621038), (2, 10504810519), (7, 3001374434), (14, 1500687217), (167, 125806114), (334, 62903057), (1169, 17972302), (2338, 8986151)]