21997108

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{34157}}^1$

素因数の和:34191

約数の個数: 24

約数和(自身を含む): 45908352

約数和(自身を除く): 23911244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 34157, 68314, 136628, 239099, 478198, 785611, 956396, 1571222, 3142444, 5499277, 10998554, 21997108]

約数ペア:

[(1, 21997108), (2, 10998554), (4, 5499277), (7, 3142444), (14, 1571222), (23, 956396), (28, 785611), (46, 478198), (92, 239099), (161, 136628), (322, 68314), (644, 34157)]