20211814

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6653}}^1$

素因数の和:6700

約数の個数: 24

約数和(自身を含む): 36410688

約数和(自身を除く): 16198874

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6653, 13306, 46571, 93142, 206243, 325997, 412486, 651994, 1443701, 2887402, 10105907, 20211814]

約数ペア:

[(1, 20211814), (2, 10105907), (7, 2887402), (14, 1443701), (31, 651994), (49, 412486), (62, 325997), (98, 206243), (217, 93142), (434, 46571), (1519, 13306), (3038, 6653)]