21785036

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 47482176

約数和(自身を除く): 25697140

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 617, 679, 1234, 1261, 1358, 2468, 2522, 2716, 4319, 5044, 8021, 8638, 8827, 16042, 17276, 17654, 32084, 35308, 56147, 59849, 112294, 119698, 224588, 239396, 418943, 778037, 837886, 1556074, 1675772, 3112148, 5446259, 10892518, 21785036]

約数ペア:

[(1, 21785036), (2, 10892518), (4, 5446259), (7, 3112148), (13, 1675772), (14, 1556074), (26, 837886), (28, 778037), (52, 418943), (91, 239396), (97, 224588), (182, 119698), (194, 112294), (364, 59849), (388, 56147), (617, 35308), (679, 32084), (1234, 17654), (1261, 17276), (1358, 16042), (2468, 8827), (2522, 8638), (2716, 8021), (4319, 5044)]