21484112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103289}}^1$

素因数の和:103310

約数の個数: 20

約数和(自身を含む): 44827860

約数和(自身を除く): 23343748

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103289, 206578, 413156, 826312, 1342757, 1652624, 2685514, 5371028, 10742056, 21484112]

約数ペア:

[(1, 21484112), (2, 10742056), (4, 5371028), (8, 2685514), (13, 1652624), (16, 1342757), (26, 826312), (52, 413156), (104, 206578), (208, 103289)]