21704046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 54018048

約数和(自身を除く): 32314002

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 127, 182, 254, 273, 313, 381, 546, 626, 762, 889, 939, 1651, 1778, 1878, 2191, 2667, 3302, 4069, 4382, 4953, 5334, 6573, 8138, 9906, 11557, 12207, 13146, 23114, 24414, 28483, 34671, 39751, 56966, 69342, 79502, 85449, 119253, 170898, 238506, 278257, 516763, 556514, 834771, 1033526, 1550289, 1669542, 3100578, 3617341, 7234682, 10852023, 21704046]

約数ペア:

[(1, 21704046), (2, 10852023), (3, 7234682), (6, 3617341), (7, 3100578), (13, 1669542), (14, 1550289), (21, 1033526), (26, 834771), (39, 556514), (42, 516763), (78, 278257), (91, 238506), (127, 170898), (182, 119253), (254, 85449), (273, 79502), (313, 69342), (381, 56966), (546, 39751), (626, 34671), (762, 28483), (889, 24414), (939, 23114), (1651, 13146), (1778, 12207), (1878, 11557), (2191, 9906), (2667, 8138), (3302, 6573), (4069, 5334), (4382, 4953)]