21903232

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{13163}}^1$

素因数の和:13190

約数の個数: 32

約数和(自身を含む): 46995480

約数和(自身を除く): 25092248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 13163, 26326, 52652, 105304, 171119, 210608, 342238, 421216, 684476, 842432, 1368952, 1684864, 2737904, 5475808, 10951616, 21903232]

約数ペア:

[(1, 21903232), (2, 10951616), (4, 5475808), (8, 2737904), (13, 1684864), (16, 1368952), (26, 842432), (32, 684476), (52, 421216), (64, 342238), (104, 210608), (128, 171119), (208, 105304), (416, 52652), (832, 26326), (1664, 13163)]