21425406

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{210053}}^1$

素因数の和:210075

約数の個数: 16

約数和(自身を含む): 45371664

約数和(自身を除く): 23946258

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 210053, 420106, 630159, 1260318, 3570901, 7141802, 10712703, 21425406]

約数ペア:

[(1, 21425406), (2, 10712703), (3, 7141802), (6, 3570901), (17, 1260318), (34, 630159), (51, 420106), (102, 210053)]