21097386

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10753}}^1$

素因数の和:10870

約数の個数: 24

約数和(自身を含む): 46134660

約数和(自身を除く): 25037274

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10753, 21506, 32259, 64518, 96777, 193554, 1172077, 2344154, 3516231, 7032462, 10548693, 21097386]

約数ペア:

[(1, 21097386), (2, 10548693), (3, 7032462), (6, 3516231), (9, 2344154), (18, 1172077), (109, 193554), (218, 96777), (327, 64518), (654, 32259), (981, 21506), (1962, 10753)]