21000584565

素因数分解:

$3^2\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{178873}}^1$

素因数の和:181493

約数の個数: 24

約数和(自身を含む): 36415168920

約数和(自身を除く): 15414584355

約数列:

[1, 3, 5, 9, 15, 45, 2609, 7827, 13045, 23481, 39135, 117405, 178873, 536619, 894365, 1609857, 2683095, 8049285, 466679657, 1400038971, 2333398285, 4200116913, 7000194855, 21000584565]

約数ペア:

[(1, 21000584565), (3, 7000194855), (5, 4200116913), (9, 2333398285), (15, 1400038971), (45, 466679657), (2609, 8049285), (7827, 2683095), (13045, 1609857), (23481, 894365), (39135, 536619), (117405, 178873)]