21745448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 21800152

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 508, 1016, 1259, 2159, 2518, 4318, 5036, 8636, 10072, 17272, 21403, 42806, 85612, 159893, 171224, 319786, 639572, 1279144, 2718181, 5436362, 10872724, 21745448]

約数ペア:

[(1, 21745448), (2, 10872724), (4, 5436362), (8, 2718181), (17, 1279144), (34, 639572), (68, 319786), (127, 171224), (136, 159893), (254, 85612), (508, 42806), (1016, 21403), (1259, 17272), (2159, 10072), (2518, 8636), (4318, 5036)]