21274726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 14722970

約数列:

[1, 2, 11, 22, 61, 83, 122, 166, 191, 382, 671, 913, 1342, 1826, 2101, 4202, 5063, 10126, 11651, 15853, 23302, 31706, 55693, 111386, 128161, 174383, 256322, 348766, 967033, 1934066, 10637363, 21274726]

約数ペア:

[(1, 21274726), (2, 10637363), (11, 1934066), (22, 967033), (61, 348766), (83, 256322), (122, 174383), (166, 128161), (191, 111386), (382, 55693), (671, 31706), (913, 23302), (1342, 15853), (1826, 11651), (2101, 10126), (4202, 5063)]