21874955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 28957824

約数和(自身を除く): 7082869

約数列:

[1, 5, 23, 37, 53, 97, 115, 185, 265, 485, 851, 1219, 1961, 2231, 3589, 4255, 5141, 6095, 9805, 11155, 17945, 25705, 45103, 82547, 118243, 190217, 225515, 412735, 591215, 951085, 4374991, 21874955]

約数ペア:

[(1, 21874955), (5, 4374991), (23, 951085), (37, 591215), (53, 412735), (97, 225515), (115, 190217), (185, 118243), (265, 82547), (485, 45103), (851, 25705), (1219, 17945), (1961, 11155), (2231, 9805), (3589, 6095), (4255, 5141)]