21587708

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{509}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 39584160

約数和(自身を除く): 17996452

約数列:

[1, 2, 4, 23, 46, 92, 461, 509, 922, 1018, 1844, 2036, 10603, 11707, 21206, 23414, 42412, 46828, 234649, 469298, 938596, 5396927, 10793854, 21587708]

約数ペア:

[(1, 21587708), (2, 10793854), (4, 5396927), (23, 938596), (46, 469298), (92, 234649), (461, 46828), (509, 42412), (922, 23414), (1018, 21206), (1844, 11707), (2036, 10603)]