21415130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194683}}^1$

素因数の和:194701

約数の個数: 16

約数和(自身を含む): 42051744

約数和(自身を除く): 20636614

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 194683, 389366, 973415, 1946830, 2141513, 4283026, 10707565, 21415130]

約数ペア:

[(1, 21415130), (2, 10707565), (5, 4283026), (10, 2141513), (11, 1946830), (22, 973415), (55, 389366), (110, 194683)]