21471392

素因数分解:

$2^5\times {\mathrm{673}}^1\times {\mathrm{997}}^1$

素因数の和:1680

約数の個数: 24

約数和(自身を含む): 42377076

約数和(自身を除く): 20905684

約数列:

[1, 2, 4, 8, 16, 32, 673, 997, 1346, 1994, 2692, 3988, 5384, 7976, 10768, 15952, 21536, 31904, 670981, 1341962, 2683924, 5367848, 10735696, 21471392]

約数ペア:

[(1, 21471392), (2, 10735696), (4, 5367848), (8, 2683924), (16, 1341962), (32, 670981), (673, 31904), (997, 21536), (1346, 15952), (1994, 10768), (2692, 7976), (3988, 5384)]