21353142

素因数分解:

$2^1\times 3^1\times {\mathrm{223}}^1\times {\mathrm{15959}}^1$

素因数の和:16187

約数の個数: 16

約数和(自身を含む): 42900480

約数和(自身を除く): 21547338

約数列:

[1, 2, 3, 6, 223, 446, 669, 1338, 15959, 31918, 47877, 95754, 3558857, 7117714, 10676571, 21353142]

約数ペア:

[(1, 21353142), (2, 10676571), (3, 7117714), (6, 3558857), (223, 95754), (446, 47877), (669, 31918), (1338, 15959)]