21817524

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 53601408

約数和(自身を除く): 31783884

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 137, 138, 274, 276, 411, 548, 577, 822, 1154, 1644, 1731, 2308, 3151, 3462, 6302, 6924, 9453, 12604, 13271, 18906, 26542, 37812, 39813, 53084, 79049, 79626, 158098, 159252, 237147, 316196, 474294, 948588, 1818127, 3636254, 5454381, 7272508, 10908762, 21817524]

約数ペア:

[(1, 21817524), (2, 10908762), (3, 7272508), (4, 5454381), (6, 3636254), (12, 1818127), (23, 948588), (46, 474294), (69, 316196), (92, 237147), (137, 159252), (138, 158098), (274, 79626), (276, 79049), (411, 53084), (548, 39813), (577, 37812), (822, 26542), (1154, 18906), (1644, 13271), (1731, 12604), (2308, 9453), (3151, 6924), (3462, 6302)]