21796566

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2521}}^1$

素因数の和:2668

約数の個数: 32

約数和(自身を含む): 47938176

約数和(自身を除く): 26141610

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 131, 262, 393, 786, 1441, 2521, 2882, 4323, 5042, 7563, 8646, 15126, 27731, 55462, 83193, 166386, 330251, 660502, 990753, 1981506, 3632761, 7265522, 10898283, 21796566]

約数ペア:

[(1, 21796566), (2, 10898283), (3, 7265522), (6, 3632761), (11, 1981506), (22, 990753), (33, 660502), (66, 330251), (131, 166386), (262, 83193), (393, 55462), (786, 27731), (1441, 15126), (2521, 8646), (2882, 7563), (4323, 5042)]