21055350016

素因数分解:

$2^8\times {\mathrm{6491}}^1\times {\mathrm{12671}}^1$

素因数の和:19178

約数の個数: 36

約数和(自身を含む): 42038244864

約数和(自身を除く): 20982894848

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 6491, 12671, 12982, 25342, 25964, 50684, 51928, 101368, 103856, 202736, 207712, 405472, 415424, 810944, 830848, 1621888, 1661696, 3243776, 82247461, 164494922, 328989844, 657979688, 1315959376, 2631918752, 5263837504, 10527675008, 21055350016]

約数ペア:

[(1, 21055350016), (2, 10527675008), (4, 5263837504), (8, 2631918752), (16, 1315959376), (32, 657979688), (64, 328989844), (128, 164494922), (256, 82247461), (6491, 3243776), (12671, 1661696), (12982, 1621888), (25342, 830848), (25964, 810944), (50684, 415424), (51928, 405472), (101368, 207712), (103856, 202736)]