21153375

素因数分解:

$3^2\times 5^3\times {\mathrm{18803}}^1$

素因数の和:18824

約数の個数: 24

約数和(自身を含む): 38134512

約数和(自身を除く): 16981137

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 18803, 56409, 94015, 169227, 282045, 470075, 846135, 1410225, 2350375, 4230675, 7051125, 21153375]

約数ペア:

[(1, 21153375), (3, 7051125), (5, 4230675), (9, 2350375), (15, 1410225), (25, 846135), (45, 470075), (75, 282045), (125, 169227), (225, 94015), (375, 56409), (1125, 18803)]