21367344

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2731}}^1$

素因数の和:2905

約数の個数: 40

約数和(自身を含む): 55557952

約数和(自身を除く): 34190608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 2731, 3912, 5462, 7824, 8193, 10924, 16386, 21848, 32772, 43696, 65544, 131088, 445153, 890306, 1335459, 1780612, 2670918, 3561224, 5341836, 7122448, 10683672, 21367344]

約数ペア:

[(1, 21367344), (2, 10683672), (3, 7122448), (4, 5341836), (6, 3561224), (8, 2670918), (12, 1780612), (16, 1335459), (24, 890306), (48, 445153), (163, 131088), (326, 65544), (489, 43696), (652, 32772), (978, 21848), (1304, 16386), (1956, 10924), (2608, 8193), (2731, 7824), (3912, 5462)]