21256611

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10079}}^1$

素因数の和:10138

約数の個数: 16

約数和(自身を含む): 30643200

約数和(自身を除く): 9386589

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 10079, 30237, 191501, 372923, 574503, 1118769, 7085537, 21256611]

約数ペア:

[(1, 21256611), (3, 7085537), (19, 1118769), (37, 574503), (57, 372923), (111, 191501), (703, 30237), (2109, 10079)]