21578404177

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1\times {\mathrm{1747}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 25060446720

約数和(自身を除く): 3482042543

約数列:

[1, 11, 19, 113, 209, 523, 1243, 1747, 2147, 5753, 9937, 19217, 23617, 33193, 59099, 109307, 197411, 365123, 650089, 913681, 1122881, 2171521, 3750809, 10050491, 12351691, 17359939, 41258899, 103245953, 190959329, 1135705483, 1961673107, 21578404177]

約数ペア:

[(1, 21578404177), (11, 1961673107), (19, 1135705483), (113, 190959329), (209, 103245953), (523, 41258899), (1243, 17359939), (1747, 12351691), (2147, 10050491), (5753, 3750809), (9937, 2171521), (19217, 1122881), (23617, 913681), (33193, 650089), (59099, 365123), (109307, 197411)]