21479025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15073}}^1$

素因数の和:15105

約数の個数: 24

約数和(自身を含む): 37383520

約数和(自身を除く): 15904495

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15073, 45219, 75365, 226095, 286387, 376825, 859161, 1130475, 1431935, 4295805, 7159675, 21479025]

約数ペア:

[(1, 21479025), (3, 7159675), (5, 4295805), (15, 1431935), (19, 1130475), (25, 859161), (57, 376825), (75, 286387), (95, 226095), (285, 75365), (475, 45219), (1425, 15073)]