21653976

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6491}}^1$

素因数の和:6639

約数の個数: 32

約数和(自身を含む): 54532800

約数和(自身を除く): 32878824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6491, 12982, 19473, 25964, 38946, 51928, 77892, 155784, 902249, 1804498, 2706747, 3608996, 5413494, 7217992, 10826988, 21653976]

約数ペア:

[(1, 21653976), (2, 10826988), (3, 7217992), (4, 5413494), (6, 3608996), (8, 2706747), (12, 1804498), (24, 902249), (139, 155784), (278, 77892), (417, 51928), (556, 38946), (834, 25964), (1112, 19473), (1668, 12982), (3336, 6491)]