21000895002

素因数分解:

$2^1\times 3^3\times {\mathrm{2579}}^1\times {\mathrm{150797}}^1$

素因数の和:153387

約数の個数: 32

約数和(自身を含む): 46687060800

約数和(自身を除く): 25686165798

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2579, 5158, 7737, 15474, 23211, 46422, 69633, 139266, 150797, 301594, 452391, 904782, 1357173, 2714346, 4071519, 8143038, 388905463, 777810926, 1166716389, 2333432778, 3500149167, 7000298334, 10500447501, 21000895002]

約数ペア:

[(1, 21000895002), (2, 10500447501), (3, 7000298334), (6, 3500149167), (9, 2333432778), (18, 1166716389), (27, 777810926), (54, 388905463), (2579, 8143038), (5158, 4071519), (7737, 2714346), (15474, 1357173), (23211, 904782), (46422, 452391), (69633, 301594), (139266, 150797)]