21938638

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{3307}}^1$

素因数の和:3447

約数の個数: 16

約数和(自身を含む): 34297344

約数和(自身を除く): 12358706

約数列:

[1, 2, 31, 62, 107, 214, 3307, 3317, 6614, 6634, 102517, 205034, 353849, 707698, 10969319, 21938638]

約数ペア:

[(1, 21938638), (2, 10969319), (31, 707698), (62, 353849), (107, 205034), (214, 102517), (3307, 6634), (3317, 6614)]