21094528

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1845

約数の個数: 64

約数和(自身を含む): 51750720

約数和(自身を除く): 30656192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 1811, 2912, 3622, 5824, 7244, 11648, 12677, 14488, 23543, 25354, 28976, 47086, 50708, 57952, 94172, 101416, 115904, 164801, 188344, 202832, 231808, 329602, 376688, 405664, 659204, 753376, 811328, 1318408, 1506752, 1622656, 2636816, 3013504, 5273632, 10547264, 21094528]

約数ペア:

[(1, 21094528), (2, 10547264), (4, 5273632), (7, 3013504), (8, 2636816), (13, 1622656), (14, 1506752), (16, 1318408), (26, 811328), (28, 753376), (32, 659204), (52, 405664), (56, 376688), (64, 329602), (91, 231808), (104, 202832), (112, 188344), (128, 164801), (182, 115904), (208, 101416), (224, 94172), (364, 57952), (416, 50708), (448, 47086), (728, 28976), (832, 25354), (896, 23543), (1456, 14488), (1664, 12677), (1811, 11648), (2912, 7244), (3622, 5824)]