11571420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{27551}}^1$

素因数の和:27570

約数の個数: 48

約数和(自身を含む): 37029888

約数和(自身を除く): 25458468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 27551, 55102, 82653, 110204, 137755, 165306, 192857, 275510, 330612, 385714, 413265, 551020, 578571, 771428, 826530, 964285, 1157142, 1653060, 1928570, 2314284, 2892855, 3857140, 5785710, 11571420]

約数ペア:

[(1, 11571420), (2, 5785710), (3, 3857140), (4, 2892855), (5, 2314284), (6, 1928570), (7, 1653060), (10, 1157142), (12, 964285), (14, 826530), (15, 771428), (20, 578571), (21, 551020), (28, 413265), (30, 385714), (35, 330612), (42, 275510), (60, 192857), (70, 165306), (84, 137755), (105, 110204), (140, 82653), (210, 55102), (420, 27551)]