16979340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40427}}^1$

素因数の和:40446

約数の個数: 48

約数和(自身を含む): 54335232

約数和(自身を除く): 37355892

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, 40427, 80854, 121281, 161708, 202135, 242562, 282989, 404270, 485124, 565978, 606405, 808540, 848967, 1131956, 1212810, 1414945, 1697934, 2425620, 2829890, 3395868, 4244835, 5659780, 8489670, 16979340]

約数ペア:

[(1, 16979340), (2, 8489670), (3, 5659780), (4, 4244835), (5, 3395868), (6, 2829890), (7, 2425620), (10, 1697934), (12, 1414945), (14, 1212810), (15, 1131956), (20, 848967), (21, 808540), (28, 606405), (30, 565978), (35, 485124), (42, 404270), (60, 282989), (70, 242562), (84, 202135), (105, 161708), (140, 121281), (210, 80854), (420, 40427)]