21119742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5407}}^1$

素因数の和:5453

約数の個数: 48

約数和(自身を含む): 53993472

約数和(自身を除く): 32873730

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5407, 10814, 16221, 32442, 37849, 48663, 75698, 97326, 113547, 167617, 227094, 335234, 340641, 502851, 681282, 1005702, 1173319, 1508553, 2346638, 3017106, 3519957, 7039914, 10559871, 21119742]

約数ペア:

[(1, 21119742), (2, 10559871), (3, 7039914), (6, 3519957), (7, 3017106), (9, 2346638), (14, 1508553), (18, 1173319), (21, 1005702), (31, 681282), (42, 502851), (62, 340641), (63, 335234), (93, 227094), (126, 167617), (186, 113547), (217, 97326), (279, 75698), (434, 48663), (558, 37849), (651, 32442), (1302, 16221), (1953, 10814), (3906, 5407)]