21203454

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{207877}}^1$

素因数の和:207899

約数の個数: 16

約数和(自身を含む): 44901648

約数和(自身を除く): 23698194

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 207877, 415754, 623631, 1247262, 3533909, 7067818, 10601727, 21203454]

約数ペア:

[(1, 21203454), (2, 10601727), (3, 7067818), (6, 3533909), (17, 1247262), (34, 623631), (51, 415754), (102, 207877)]