21334684

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1697}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 42789600

約数和(自身を除く): 21454916

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1697, 1796, 3143, 3394, 6286, 6788, 11879, 12572, 23758, 47516, 761953, 1523906, 3047812, 5333671, 10667342, 21334684]

約数ペア:

[(1, 21334684), (2, 10667342), (4, 5333671), (7, 3047812), (14, 1523906), (28, 761953), (449, 47516), (898, 23758), (1697, 12572), (1796, 11879), (3143, 6788), (3394, 6286)]