21387648

素因数分解:

$2^7\times 3^1\times {\mathrm{55697}}^1$

素因数の和:55714

約数の個数: 32

約数和(自身を含む): 56811960

約数和(自身を除く): 35424312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55697, 111394, 167091, 222788, 334182, 445576, 668364, 891152, 1336728, 1782304, 2673456, 3564608, 5346912, 7129216, 10693824, 21387648]

約数ペア:

[(1, 21387648), (2, 10693824), (3, 7129216), (4, 5346912), (6, 3564608), (8, 2673456), (12, 1782304), (16, 1336728), (24, 891152), (32, 668364), (48, 445576), (64, 334182), (96, 222788), (128, 167091), (192, 111394), (384, 55697)]