21155956163

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{11579}}^1$

素因数の和:11771

約数の個数: 32

約数和(自身を含む): 24078988800

約数和(自身を除く): 2923032637

約数列:

[1, 19, 23, 37, 113, 437, 703, 851, 2147, 2599, 4181, 11579, 16169, 49381, 79439, 96163, 220001, 266317, 428423, 1308427, 1827097, 5060023, 8140037, 9853729, 24860113, 30093821, 48411799, 187220851, 571782599, 919824181, 1113471377, 21155956163]

約数ペア:

[(1, 21155956163), (19, 1113471377), (23, 919824181), (37, 571782599), (113, 187220851), (437, 48411799), (703, 30093821), (851, 24860113), (2147, 9853729), (2599, 8140037), (4181, 5060023), (11579, 1827097), (16169, 1308427), (49381, 428423), (79439, 266317), (96163, 220001)]