21146912

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38873}}^1$

素因数の和:38900

約数の個数: 24

約数和(自身を含む): 44083116

約数和(自身を除く): 22936204

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38873, 77746, 155492, 310984, 621968, 660841, 1243936, 1321682, 2643364, 5286728, 10573456, 21146912]

約数ペア:

[(1, 21146912), (2, 10573456), (4, 5286728), (8, 2643364), (16, 1321682), (17, 1243936), (32, 660841), (34, 621968), (68, 310984), (136, 155492), (272, 77746), (544, 38873)]