21566204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 43201536

約数和(自身を除く): 21635332

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 97, 124, 163, 194, 326, 341, 388, 652, 682, 1067, 1364, 1793, 2134, 3007, 3586, 4268, 5053, 6014, 7172, 10106, 12028, 15811, 20212, 31622, 33077, 55583, 63244, 66154, 111166, 132308, 173921, 222332, 347842, 490141, 695684, 980282, 1960564, 5391551, 10783102, 21566204]

約数ペア:

[(1, 21566204), (2, 10783102), (4, 5391551), (11, 1960564), (22, 980282), (31, 695684), (44, 490141), (62, 347842), (97, 222332), (124, 173921), (163, 132308), (194, 111166), (326, 66154), (341, 63244), (388, 55583), (652, 33077), (682, 31622), (1067, 20212), (1364, 15811), (1793, 12028), (2134, 10106), (3007, 7172), (3586, 6014), (4268, 5053)]