21751942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12071}}^1$

素因数の和:12143

約数の個数: 16

約数和(自身を含む): 35201952

約数和(自身を除く): 13450010

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 12071, 24142, 205207, 410414, 639763, 1279526, 10875971, 21751942]

約数ペア:

[(1, 21751942), (2, 10875971), (17, 1279526), (34, 639763), (53, 410414), (106, 205207), (901, 24142), (1802, 12071)]