21477470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{306821}}^1$

素因数の和:306835

約数の個数: 16

約数和(自身を含む): 44182368

約数和(自身を除く): 22704898

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 306821, 613642, 1534105, 2147747, 3068210, 4295494, 10738735, 21477470]

約数ペア:

[(1, 21477470), (2, 10738735), (5, 4295494), (7, 3068210), (10, 2147747), (14, 1534105), (35, 613642), (70, 306821)]