21298021245

素因数分解:

$3^2\times 5^1\times {\mathrm{473289361}}^1$

素因数の和:473289372

約数の個数: 12

約数和(自身を含む): 36916570236

約数和(自身を除く): 15618548991

約数列:

[1, 3, 5, 9, 15, 45, 473289361, 1419868083, 2366446805, 4259604249, 7099340415, 21298021245]

約数ペア:

[(1, 21298021245), (3, 7099340415), (5, 4259604249), (9, 2366446805), (15, 1419868083), (45, 473289361)]