21463554812

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20717717}}^1$

素因数の和:20717765

約数の個数: 24

約数和(自身を含む): 44087303904

約数和(自身を除く): 22623749092

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20717717, 41435434, 82870868, 145024019, 290048038, 580096076, 766555529, 1533111058, 3066222116, 5365888703, 10731777406, 21463554812]

約数ペア:

[(1, 21463554812), (2, 10731777406), (4, 5365888703), (7, 3066222116), (14, 1533111058), (28, 766555529), (37, 580096076), (74, 290048038), (148, 145024019), (259, 82870868), (518, 41435434), (1036, 20717717)]