21730982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 40454400

約数和(自身を除く): 18723418

約数列:

[1, 2, 7, 13, 14, 26, 91, 139, 182, 278, 859, 973, 1718, 1807, 1946, 3614, 6013, 11167, 12026, 12649, 22334, 25298, 78169, 119401, 156338, 238802, 835807, 1552213, 1671614, 3104426, 10865491, 21730982]

約数ペア:

[(1, 21730982), (2, 10865491), (7, 3104426), (13, 1671614), (14, 1552213), (26, 835807), (91, 238802), (139, 156338), (182, 119401), (278, 78169), (859, 25298), (973, 22334), (1718, 12649), (1807, 12026), (1946, 11167), (3614, 6013)]