217551310

素因数分解:

$2^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{21101}}^1$

素因数の和:22139

約数の個数: 16

約数和(自身を含む): 391990752

約数和(自身を除く): 174439442

約数列:

[1, 2, 5, 10, 1031, 2062, 5155, 10310, 21101, 42202, 105505, 211010, 21755131, 43510262, 108775655, 217551310]

約数ペア:

[(1, 217551310), (2, 108775655), (5, 43510262), (10, 21755131), (1031, 211010), (2062, 105505), (5155, 42202), (10310, 21101)]