21370010

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25747}}^1$

素因数の和:25837

約数の個数: 16

約数和(自身を含む): 38930976

約数和(自身を除く): 17560966

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 25747, 51494, 128735, 257470, 2137001, 4274002, 10685005, 21370010]

約数ペア:

[(1, 21370010), (2, 10685005), (5, 4274002), (10, 2137001), (83, 257470), (166, 128735), (415, 51494), (830, 25747)]