21408

素因数分解:

$2^5\times 3^1\times {\mathrm{223}}^1$

素因数の和:236

約数の個数: 24

約数和(自身を含む): 56448

約数和(自身を除く): 35040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 223, 446, 669, 892, 1338, 1784, 2676, 3568, 5352, 7136, 10704, 21408]

約数ペア:

[(1, 21408), (2, 10704), (3, 7136), (4, 5352), (6, 3568), (8, 2676), (12, 1784), (16, 1338), (24, 892), (32, 669), (48, 446), (96, 223)]