21298548840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177487907}}^1$

素因数の和:177487921

約数の個数: 32

約数和(自身を含む): 63895646880

約数和(自身を除く): 42597098040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177487907, 354975814, 532463721, 709951628, 887439535, 1064927442, 1419903256, 1774879070, 2129854884, 2662318605, 3549758140, 4259709768, 5324637210, 7099516280, 10649274420, 21298548840]

約数ペア:

[(1, 21298548840), (2, 10649274420), (3, 7099516280), (4, 5324637210), (5, 4259709768), (6, 3549758140), (8, 2662318605), (10, 2129854884), (12, 1774879070), (15, 1419903256), (20, 1064927442), (24, 887439535), (30, 709951628), (40, 532463721), (60, 354975814), (120, 177487907)]