21462070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1193}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 44359488

約数和(自身を除く): 22897418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1193, 1285, 1799, 2386, 2570, 3598, 5965, 8351, 8995, 11930, 16702, 17990, 41755, 83510, 306601, 613202, 1533005, 2146207, 3066010, 4292414, 10731035, 21462070]

約数ペア:

[(1, 21462070), (2, 10731035), (5, 4292414), (7, 3066010), (10, 2146207), (14, 1533005), (35, 613202), (70, 306601), (257, 83510), (514, 41755), (1193, 17990), (1285, 16702), (1799, 11930), (2386, 8995), (2570, 8351), (3598, 5965)]