21325758

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{9137}}^1$

素因数の和:9531

約数の個数: 16

約数和(自身を含む): 42765840

約数和(自身を除く): 21440082

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 9137, 18274, 27411, 54822, 3554293, 7108586, 10662879, 21325758]

約数ペア:

[(1, 21325758), (2, 10662879), (3, 7108586), (6, 3554293), (389, 54822), (778, 27411), (1167, 18274), (2334, 9137)]