21383752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1619}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22161848

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1619, 1651, 3238, 3302, 6476, 6604, 12952, 13208, 21047, 42094, 84188, 168376, 205613, 411226, 822452, 1644904, 2672969, 5345938, 10691876, 21383752]

約数ペア:

[(1, 21383752), (2, 10691876), (4, 5345938), (8, 2672969), (13, 1644904), (26, 822452), (52, 411226), (104, 205613), (127, 168376), (254, 84188), (508, 42094), (1016, 21047), (1619, 13208), (1651, 12952), (3238, 6604), (3302, 6476)]