21020712

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 55486080

約数和(自身を除く): 34465368

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 113, 138, 184, 226, 276, 337, 339, 452, 552, 674, 678, 904, 1011, 1348, 1356, 2022, 2599, 2696, 2712, 4044, 5198, 7751, 7797, 8088, 10396, 15502, 15594, 20792, 23253, 31004, 31188, 38081, 46506, 62008, 62376, 76162, 93012, 114243, 152324, 186024, 228486, 304648, 456972, 875863, 913944, 1751726, 2627589, 3503452, 5255178, 7006904, 10510356, 21020712]

約数ペア:

[(1, 21020712), (2, 10510356), (3, 7006904), (4, 5255178), (6, 3503452), (8, 2627589), (12, 1751726), (23, 913944), (24, 875863), (46, 456972), (69, 304648), (92, 228486), (113, 186024), (138, 152324), (184, 114243), (226, 93012), (276, 76162), (337, 62376), (339, 62008), (452, 46506), (552, 38081), (674, 31188), (678, 31004), (904, 23253), (1011, 20792), (1348, 15594), (1356, 15502), (2022, 10396), (2599, 8088), (2696, 7797), (2712, 7751), (4044, 5198)]