21227470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192977}}^1$

素因数の和:192995

約数の個数: 16

約数和(自身を含む): 41683248

約数和(自身を除く): 20455778

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192977, 385954, 964885, 1929770, 2122747, 4245494, 10613735, 21227470]

約数ペア:

[(1, 21227470), (2, 10613735), (5, 4245494), (10, 2122747), (11, 1929770), (22, 964885), (55, 385954), (110, 192977)]