21336004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 16766396

約数列:

[1, 2, 4, 79, 158, 251, 269, 316, 502, 538, 1004, 1076, 19829, 21251, 39658, 42502, 67519, 79316, 85004, 135038, 270076, 5334001, 10668002, 21336004]

約数ペア:

[(1, 21336004), (2, 10668002), (4, 5334001), (79, 270076), (158, 135038), (251, 85004), (269, 79316), (316, 67519), (502, 42502), (538, 39658), (1004, 21251), (1076, 19829)]