21000658210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2467}}^1\times {\mathrm{121609}}^1$

素因数の和:124090

約数の個数: 32

約数和(自身を含む): 43219221120

約数和(自身を除く): 22218562910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2467, 4934, 12335, 17269, 24670, 34538, 86345, 121609, 172690, 243218, 608045, 851263, 1216090, 1702526, 4256315, 8512630, 300009403, 600018806, 1500047015, 2100065821, 3000094030, 4200131642, 10500329105, 21000658210]

約数ペア:

[(1, 21000658210), (2, 10500329105), (5, 4200131642), (7, 3000094030), (10, 2100065821), (14, 1500047015), (35, 600018806), (70, 300009403), (2467, 8512630), (4934, 4256315), (12335, 1702526), (17269, 1216090), (24670, 851263), (34538, 608045), (86345, 243218), (121609, 172690)]