21734272

素因数分解:

$2^7\times 7^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 50135040

約数和(自身を除く): 28400768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 191, 224, 254, 382, 448, 508, 764, 889, 896, 1016, 1337, 1528, 1778, 2032, 2674, 3056, 3556, 4064, 5348, 6112, 7112, 8128, 10696, 12224, 14224, 16256, 21392, 24257, 24448, 28448, 42784, 48514, 56896, 85568, 97028, 113792, 169799, 171136, 194056, 339598, 388112, 679196, 776224, 1358392, 1552448, 2716784, 3104896, 5433568, 10867136, 21734272]

約数ペア:

[(1, 21734272), (2, 10867136), (4, 5433568), (7, 3104896), (8, 2716784), (14, 1552448), (16, 1358392), (28, 776224), (32, 679196), (56, 388112), (64, 339598), (112, 194056), (127, 171136), (128, 169799), (191, 113792), (224, 97028), (254, 85568), (382, 56896), (448, 48514), (508, 42784), (764, 28448), (889, 24448), (896, 24257), (1016, 21392), (1337, 16256), (1528, 14224), (1778, 12224), (2032, 10696), (2674, 8128), (3056, 7112), (3556, 6112), (4064, 5348)]