21517730206

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14922143}}^1$

素因数の和:14922255

約数の個数: 16

約数和(自身を含む): 37245671424

約数和(自身を除く): 15727941218

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14922143, 29844286, 104455001, 208910002, 1536980729, 3073961458, 10758865103, 21517730206]

約数ペア:

[(1, 21517730206), (2, 10758865103), (7, 3073961458), (14, 1536980729), (103, 208910002), (206, 104455001), (721, 29844286), (1442, 14922143)]