21658624

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1660

約数の個数: 44

約数和(自身を含む): 46655224

約数和(自身を除く): 24996600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1627, 1664, 3254, 3328, 6508, 6656, 13016, 13312, 21151, 26032, 42302, 52064, 84604, 104128, 169208, 208256, 338416, 416512, 676832, 833024, 1353664, 1666048, 2707328, 5414656, 10829312, 21658624]

約数ペア:

[(1, 21658624), (2, 10829312), (4, 5414656), (8, 2707328), (13, 1666048), (16, 1353664), (26, 833024), (32, 676832), (52, 416512), (64, 338416), (104, 208256), (128, 169208), (208, 104128), (256, 84604), (416, 52064), (512, 42302), (832, 26032), (1024, 21151), (1627, 13312), (1664, 13016), (3254, 6656), (3328, 6508)]