21094906288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{989071}}^1$

素因数の和:989153

約数の個数: 40

約数和(自身を含む): 43171014656

約数和(自身を除く): 22076108368

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328, 989071, 1978142, 3956284, 7912568, 15825136, 30661201, 42530053, 61322402, 85060106, 122644804, 170120212, 245289608, 340240424, 490579216, 680480848, 1318431643, 2636863286, 5273726572, 10547453144, 21094906288]

約数ペア:

[(1, 21094906288), (2, 10547453144), (4, 5273726572), (8, 2636863286), (16, 1318431643), (31, 680480848), (43, 490579216), (62, 340240424), (86, 245289608), (124, 170120212), (172, 122644804), (248, 85060106), (344, 61322402), (496, 42530053), (688, 30661201), (1333, 15825136), (2666, 7912568), (5332, 3956284), (10664, 1978142), (21328, 989071)]