21983896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1907}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 45334080

約数和(自身を除く): 23350184

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1907, 2882, 3814, 5764, 7628, 11528, 15256, 20977, 41954, 83908, 167816, 249817, 499634, 999268, 1998536, 2747987, 5495974, 10991948, 21983896]

約数ペア:

[(1, 21983896), (2, 10991948), (4, 5495974), (8, 2747987), (11, 1998536), (22, 999268), (44, 499634), (88, 249817), (131, 167816), (262, 83908), (524, 41954), (1048, 20977), (1441, 15256), (1907, 11528), (2882, 7628), (3814, 5764)]