21439284

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41549}}^1$

素因数の和:41599

約数の個数: 24

約数和(自身を含む): 51189600

約数和(自身を除く): 29750316

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41549, 83098, 124647, 166196, 249294, 498588, 1786607, 3573214, 5359821, 7146428, 10719642, 21439284]

約数ペア:

[(1, 21439284), (2, 10719642), (3, 7146428), (4, 5359821), (6, 3573214), (12, 1786607), (43, 498588), (86, 249294), (129, 166196), (172, 124647), (258, 83098), (516, 41549)]