21091313888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34689661}}^1$

素因数の和:34689690

約数の個数: 24

約数和(自身を含む): 43708974120

約数和(自身を除く): 22617660232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34689661, 69379322, 138758644, 277517288, 555034576, 659103559, 1110069152, 1318207118, 2636414236, 5272828472, 10545656944, 21091313888]

約数ペア:

[(1, 21091313888), (2, 10545656944), (4, 5272828472), (8, 2636414236), (16, 1318207118), (19, 1110069152), (32, 659103559), (38, 555034576), (76, 277517288), (152, 138758644), (304, 69379322), (608, 34689661)]