21847520

素因数分解:

$2^5\times 5^1\times {\mathrm{136547}}^1$

素因数の和:136562

約数の個数: 24

約数和(自身を含む): 51615144

約数和(自身を除く): 29767624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136547, 273094, 546188, 682735, 1092376, 1365470, 2184752, 2730940, 4369504, 5461880, 10923760, 21847520]

約数ペア:

[(1, 21847520), (2, 10923760), (4, 5461880), (5, 4369504), (8, 2730940), (10, 2184752), (16, 1365470), (20, 1092376), (32, 682735), (40, 546188), (80, 273094), (160, 136547)]