21353616

素因数分解:

$2^4\times 3^2\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:848

約数の個数: 60

約数和(自身を含む): 60096972

約数和(自身を除く): 38743356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 257, 514, 577, 771, 1028, 1154, 1542, 1731, 2056, 2308, 2313, 3084, 3462, 4112, 4616, 4626, 5193, 6168, 6924, 9232, 9252, 10386, 12336, 13848, 18504, 20772, 27696, 37008, 41544, 83088, 148289, 296578, 444867, 593156, 889734, 1186312, 1334601, 1779468, 2372624, 2669202, 3558936, 5338404, 7117872, 10676808, 21353616]

約数ペア:

[(1, 21353616), (2, 10676808), (3, 7117872), (4, 5338404), (6, 3558936), (8, 2669202), (9, 2372624), (12, 1779468), (16, 1334601), (18, 1186312), (24, 889734), (36, 593156), (48, 444867), (72, 296578), (144, 148289), (257, 83088), (514, 41544), (577, 37008), (771, 27696), (1028, 20772), (1154, 18504), (1542, 13848), (1731, 12336), (2056, 10386), (2308, 9252), (2313, 9232), (3084, 6924), (3462, 6168), (4112, 5193), (4616, 4626)]