21725702990

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4268311}}^1$

素因数の和:4268827

約数の個数: 16

約数和(自身を含む): 39183104160

約数和(自身を除く): 17457401170

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 4268311, 8536622, 21341555, 42683110, 2172570299, 4345140598, 10862851495, 21725702990]

約数ペア:

[(1, 21725702990), (2, 10862851495), (5, 4345140598), (10, 2172570299), (509, 42683110), (1018, 21341555), (2545, 8536622), (5090, 4268311)]