21409152

素因数分解:

$2^7\times 3^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 57446400

約数和(自身を除く): 36037248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 254, 381, 384, 439, 508, 762, 878, 1016, 1317, 1524, 1756, 2032, 2634, 3048, 3512, 4064, 5268, 6096, 7024, 8128, 10536, 12192, 14048, 16256, 21072, 24384, 28096, 42144, 48768, 55753, 56192, 84288, 111506, 167259, 168576, 223012, 334518, 446024, 669036, 892048, 1338072, 1784096, 2676144, 3568192, 5352288, 7136384, 10704576, 21409152]

約数ペア:

[(1, 21409152), (2, 10704576), (3, 7136384), (4, 5352288), (6, 3568192), (8, 2676144), (12, 1784096), (16, 1338072), (24, 892048), (32, 669036), (48, 446024), (64, 334518), (96, 223012), (127, 168576), (128, 167259), (192, 111506), (254, 84288), (381, 56192), (384, 55753), (439, 48768), (508, 42144), (762, 28096), (878, 24384), (1016, 21072), (1317, 16256), (1524, 14048), (1756, 12192), (2032, 10536), (2634, 8128), (3048, 7024), (3512, 6096), (4064, 5268)]