21504512

素因数分解:

$2^9\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:548

約数の個数: 40

約数和(自身を含む): 43510236

約数和(自身を除く): 22005724

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 433, 512, 776, 866, 1552, 1732, 3104, 3464, 6208, 6928, 12416, 13856, 24832, 27712, 42001, 49664, 55424, 84002, 110848, 168004, 221696, 336008, 672016, 1344032, 2688064, 5376128, 10752256, 21504512]

約数ペア:

[(1, 21504512), (2, 10752256), (4, 5376128), (8, 2688064), (16, 1344032), (32, 672016), (64, 336008), (97, 221696), (128, 168004), (194, 110848), (256, 84002), (388, 55424), (433, 49664), (512, 42001), (776, 27712), (866, 24832), (1552, 13856), (1732, 12416), (3104, 6928), (3464, 6208)]