21145850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38447}}^1$

素因数の和:38470

約数の個数: 24

約数和(自身を含む): 42907968

約数和(自身を除く): 21762118

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38447, 76894, 192235, 384470, 422917, 845834, 961175, 1922350, 2114585, 4229170, 10572925, 21145850]

約数ペア:

[(1, 21145850), (2, 10572925), (5, 4229170), (10, 2114585), (11, 1922350), (22, 961175), (25, 845834), (50, 422917), (55, 384470), (110, 192235), (275, 76894), (550, 38447)]