21461387941

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{941}}^1\times {\mathrm{6947}}^1$

素因数の和:7969

約数の個数: 24

約数和(自身を含む): 25368482016

約数和(自身を除く): 3907094075

約数列:

[1, 7, 49, 67, 469, 941, 3283, 6587, 6947, 46109, 48629, 63047, 340403, 441329, 465449, 3089303, 3258143, 6537127, 22807001, 45759889, 320319223, 437987509, 3065912563, 21461387941]

約数ペア:

[(1, 21461387941), (7, 3065912563), (49, 437987509), (67, 320319223), (469, 45759889), (941, 22807001), (3283, 6537127), (6587, 3258143), (6947, 3089303), (46109, 465449), (48629, 441329), (63047, 340403)]