21424828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{619}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 39841200

約数和(自身を除く): 18416372

約数列:

[1, 2, 4, 17, 34, 68, 509, 619, 1018, 1238, 2036, 2476, 8653, 10523, 17306, 21046, 34612, 42092, 315071, 630142, 1260284, 5356207, 10712414, 21424828]

約数ペア:

[(1, 21424828), (2, 10712414), (4, 5356207), (17, 1260284), (34, 630142), (68, 315071), (509, 42092), (619, 34612), (1018, 21046), (1238, 17306), (2036, 10523), (2476, 8653)]