21528064

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2213}}^1$

素因数の和:2250

約数の個数: 40

約数和(自身を含む): 45298440

約数和(自身を除く): 23770376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2213, 2432, 4426, 4864, 8852, 9728, 17704, 35408, 42047, 70816, 84094, 141632, 168188, 283264, 336376, 566528, 672752, 1133056, 1345504, 2691008, 5382016, 10764032, 21528064]

約数ペア:

[(1, 21528064), (2, 10764032), (4, 5382016), (8, 2691008), (16, 1345504), (19, 1133056), (32, 672752), (38, 566528), (64, 336376), (76, 283264), (128, 168188), (152, 141632), (256, 84094), (304, 70816), (512, 42047), (608, 35408), (1216, 17704), (2213, 9728), (2432, 8852), (4426, 4864)]