21697188

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 53329920

約数和(自身を除く): 31632732

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 127, 138, 254, 276, 381, 508, 619, 762, 1238, 1524, 1857, 2476, 2921, 3714, 5842, 7428, 8763, 11684, 14237, 17526, 28474, 35052, 42711, 56948, 78613, 85422, 157226, 170844, 235839, 314452, 471678, 943356, 1808099, 3616198, 5424297, 7232396, 10848594, 21697188]

約数ペア:

[(1, 21697188), (2, 10848594), (3, 7232396), (4, 5424297), (6, 3616198), (12, 1808099), (23, 943356), (46, 471678), (69, 314452), (92, 235839), (127, 170844), (138, 157226), (254, 85422), (276, 78613), (381, 56948), (508, 42711), (619, 35052), (762, 28474), (1238, 17526), (1524, 14237), (1857, 11684), (2476, 8763), (2921, 7428), (3714, 5842)]