21507414

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{210857}}^1$

素因数の和:210879

約数の個数: 16

約数和(自身を含む): 45545328

約数和(自身を除く): 24037914

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 210857, 421714, 632571, 1265142, 3584569, 7169138, 10753707, 21507414]

約数ペア:

[(1, 21507414), (2, 10753707), (3, 7169138), (6, 3584569), (17, 1265142), (34, 632571), (51, 421714), (102, 210857)]