21992166

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{503}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 32730138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 347, 503, 694, 1006, 1041, 1509, 2082, 2429, 3018, 3123, 3521, 4527, 4858, 6246, 7042, 7287, 9054, 10563, 14574, 21126, 21861, 31689, 43722, 63378, 174541, 349082, 523623, 1047246, 1221787, 1570869, 2443574, 3141738, 3665361, 7330722, 10996083, 21992166]

約数ペア:

[(1, 21992166), (2, 10996083), (3, 7330722), (6, 3665361), (7, 3141738), (9, 2443574), (14, 1570869), (18, 1221787), (21, 1047246), (42, 523623), (63, 349082), (126, 174541), (347, 63378), (503, 43722), (694, 31689), (1006, 21861), (1041, 21126), (1509, 14574), (2082, 10563), (2429, 9054), (3018, 7287), (3123, 7042), (3521, 6246), (4527, 4858)]