21414736

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2693}}^1$

素因数の和:2779

約数の個数: 40

約数和(自身を含む): 48104064

約数和(自身を除く): 26689328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2693, 3976, 5386, 7952, 10772, 18851, 21544, 37702, 43088, 75404, 150808, 191203, 301616, 382406, 764812, 1338421, 1529624, 2676842, 3059248, 5353684, 10707368, 21414736]

約数ペア:

[(1, 21414736), (2, 10707368), (4, 5353684), (7, 3059248), (8, 2676842), (14, 1529624), (16, 1338421), (28, 764812), (56, 382406), (71, 301616), (112, 191203), (142, 150808), (284, 75404), (497, 43088), (568, 37702), (994, 21544), (1136, 18851), (1988, 10772), (2693, 7952), (3976, 5386)]