21356052

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{77377}}^1$

素因数の和:77407

約数の個数: 24

約数和(自身を含む): 51998016

約数和(自身を除く): 30641964

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 77377, 154754, 232131, 309508, 464262, 928524, 1779671, 3559342, 5339013, 7118684, 10678026, 21356052]

約数ペア:

[(1, 21356052), (2, 10678026), (3, 7118684), (4, 5339013), (6, 3559342), (12, 1779671), (23, 928524), (46, 464262), (69, 309508), (92, 232131), (138, 154754), (276, 77377)]