21851595

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3259}}^1$

素因数の和:3419

約数の個数: 24

約数和(自身を含む): 38142000

約数和(自身を除く): 16290405

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 3259, 6705, 9777, 16295, 29331, 48885, 146655, 485591, 1456773, 2427955, 4370319, 7283865, 21851595]

約数ペア:

[(1, 21851595), (3, 7283865), (5, 4370319), (9, 2427955), (15, 1456773), (45, 485591), (149, 146655), (447, 48885), (745, 29331), (1341, 16295), (2235, 9777), (3259, 6705)]