21167116329

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1\times {\mathrm{1097}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 28878840576

約数和(自身を除く): 7711724247

約数列:

[1, 3, 71, 157, 213, 471, 577, 1097, 1731, 3291, 11147, 33441, 40967, 77887, 90589, 122901, 172229, 233661, 271767, 516687, 632969, 1898907, 6431819, 12228259, 19295457, 36684777, 44940799, 99376133, 134822397, 298128399, 7055705443, 21167116329]

約数ペア:

[(1, 21167116329), (3, 7055705443), (71, 298128399), (157, 134822397), (213, 99376133), (471, 44940799), (577, 36684777), (1097, 19295457), (1731, 12228259), (3291, 6431819), (11147, 1898907), (33441, 632969), (40967, 516687), (77887, 271767), (90589, 233661), (122901, 172229)]