21147170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17477}}^1$

素因数の和:17506

約数の個数: 24

約数和(自身を含む): 41842332

約数和(自身を除く): 20695162

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17477, 34954, 87385, 174770, 192247, 384494, 961235, 1922470, 2114717, 4229434, 10573585, 21147170]

約数ペア:

[(1, 21147170), (2, 10573585), (5, 4229434), (10, 2114717), (11, 1922470), (22, 961235), (55, 384494), (110, 192247), (121, 174770), (242, 87385), (605, 34954), (1210, 17477)]