8864940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21107}}^1$

素因数の和:21126

約数の個数: 48

約数和(自身を含む): 28369152

約数和(自身を除く): 19504212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21107, 42214, 63321, 84428, 105535, 126642, 147749, 211070, 253284, 295498, 316605, 422140, 443247, 590996, 633210, 738745, 886494, 1266420, 1477490, 1772988, 2216235, 2954980, 4432470, 8864940]

約数ペア:

[(1, 8864940), (2, 4432470), (3, 2954980), (4, 2216235), (5, 1772988), (6, 1477490), (7, 1266420), (10, 886494), (12, 738745), (14, 633210), (15, 590996), (20, 443247), (21, 422140), (28, 316605), (30, 295498), (35, 253284), (42, 211070), (60, 147749), (70, 126642), (84, 105535), (105, 84428), (140, 63321), (210, 42214), (420, 21107)]