21106288

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6079}}^1$

素因数の和:6125

約数の個数: 40

約数和(自身を含む): 48250880

約数和(自身を除く): 27144592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6079, 12158, 24316, 42553, 48632, 85106, 97264, 170212, 188449, 340424, 376898, 680848, 753796, 1319143, 1507592, 2638286, 3015184, 5276572, 10553144, 21106288]

約数ペア:

[(1, 21106288), (2, 10553144), (4, 5276572), (7, 3015184), (8, 2638286), (14, 1507592), (16, 1319143), (28, 753796), (31, 680848), (56, 376898), (62, 340424), (112, 188449), (124, 170212), (217, 97264), (248, 85106), (434, 48632), (496, 42553), (868, 24316), (1736, 12158), (3472, 6079)]