21474303

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 29122560

約数和(自身を除く): 7648257

約数列:

[1, 3, 127, 157, 359, 381, 471, 1077, 19939, 45593, 56363, 59817, 136779, 169089, 7158101, 21474303]

約数ペア:

[(1, 21474303), (3, 7158101), (127, 169089), (157, 136779), (359, 59817), (381, 56363), (471, 45593), (1077, 19939)]