21236144

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6949}}^1$

素因数の和:7148

約数の個数: 20

約数和(自身を含む): 41366400

約数和(自身を除く): 20130256

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6949, 13898, 27796, 55592, 111184, 1327259, 2654518, 5309036, 10618072, 21236144]

約数ペア:

[(1, 21236144), (2, 10618072), (4, 5309036), (8, 2654518), (16, 1327259), (191, 111184), (382, 55592), (764, 27796), (1528, 13898), (3056, 6949)]