21731070777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{762253}}^1$

素因数の和:762329

約数の個数: 32

約数和(自身を含む): 33807489408

約数和(自身を除く): 12076418631

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 2193, 9503, 28509, 762253, 2286759, 9909289, 12958301, 29727867, 32776879, 38874903, 98330637, 168457913, 426099427, 505373739, 557206943, 1278298281, 1671620829, 7243690259, 21731070777]

約数ペア:

[(1, 21731070777), (3, 7243690259), (13, 1671620829), (17, 1278298281), (39, 557206943), (43, 505373739), (51, 426099427), (129, 168457913), (221, 98330637), (559, 38874903), (663, 32776879), (731, 29727867), (1677, 12958301), (2193, 9909289), (9503, 2286759), (28509, 762253)]