21106974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2551}}^1$

素因数の和:2760

約数の個数: 32

約数和(自身を含む): 48508416

約数和(自身を除く): 27401442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 197, 394, 591, 1182, 1379, 2551, 2758, 4137, 5102, 7653, 8274, 15306, 17857, 35714, 53571, 107142, 502547, 1005094, 1507641, 3015282, 3517829, 7035658, 10553487, 21106974]

約数ペア:

[(1, 21106974), (2, 10553487), (3, 7035658), (6, 3517829), (7, 3015282), (14, 1507641), (21, 1005094), (42, 502547), (197, 107142), (394, 53571), (591, 35714), (1182, 17857), (1379, 15306), (2551, 8274), (2758, 7653), (4137, 5102)]