21777070

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{907}}^1$

素因数の和:942

約数の個数: 40

約数和(自身を含む): 45779544

約数和(自身を除く): 24002474

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 907, 1715, 1814, 2401, 3430, 4535, 4802, 6349, 9070, 12005, 12698, 24010, 31745, 44443, 63490, 88886, 222215, 311101, 444430, 622202, 1555505, 2177707, 3111010, 4355414, 10888535, 21777070]

約数ペア:

[(1, 21777070), (2, 10888535), (5, 4355414), (7, 3111010), (10, 2177707), (14, 1555505), (35, 622202), (49, 444430), (70, 311101), (98, 222215), (245, 88886), (343, 63490), (490, 44443), (686, 31745), (907, 24010), (1715, 12698), (1814, 12005), (2401, 9070), (3430, 6349), (4535, 4802)]