21957232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1801

約数の個数: 40

約数和(自身を含む): 47072880

約数和(自身を除く): 25115648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1606, 1709, 3212, 3418, 6424, 6836, 12848, 13672, 18799, 27344, 37598, 75196, 124757, 150392, 249514, 300784, 499028, 998056, 1372327, 1996112, 2744654, 5489308, 10978616, 21957232]

約数ペア:

[(1, 21957232), (2, 10978616), (4, 5489308), (8, 2744654), (11, 1996112), (16, 1372327), (22, 998056), (44, 499028), (73, 300784), (88, 249514), (146, 150392), (176, 124757), (292, 75196), (584, 37598), (803, 27344), (1168, 18799), (1606, 13672), (1709, 12848), (3212, 6836), (3418, 6424)]