21284914

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5051}}^1$

素因数の和:5110

約数の個数: 24

約数和(自身を含む): 38011248

約数和(自身を除く): 16726334

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5051, 10102, 35357, 70714, 217193, 247499, 434386, 494998, 1520351, 3040702, 10642457, 21284914]

約数ペア:

[(1, 21284914), (2, 10642457), (7, 3040702), (14, 1520351), (43, 494998), (49, 434386), (86, 247499), (98, 217193), (301, 70714), (602, 35357), (2107, 10102), (4214, 5051)]