21066252

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 51781632

約数和(自身を除く): 30715380

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 127, 138, 254, 276, 381, 508, 601, 762, 1202, 1524, 1803, 2404, 2921, 3606, 5842, 7212, 8763, 11684, 13823, 17526, 27646, 35052, 41469, 55292, 76327, 82938, 152654, 165876, 228981, 305308, 457962, 915924, 1755521, 3511042, 5266563, 7022084, 10533126, 21066252]

約数ペア:

[(1, 21066252), (2, 10533126), (3, 7022084), (4, 5266563), (6, 3511042), (12, 1755521), (23, 915924), (46, 457962), (69, 305308), (92, 228981), (127, 165876), (138, 152654), (254, 82938), (276, 76327), (381, 55292), (508, 41469), (601, 35052), (762, 27646), (1202, 17526), (1524, 13823), (1803, 11684), (2404, 8763), (2921, 7212), (3606, 5842)]