21606008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{87121}}^1$

素因数の和:87158

約数の個数: 16

約数和(自身を含む): 41818560

約数和(自身を除く): 20212552

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 87121, 174242, 348484, 696968, 2700751, 5401502, 10803004, 21606008]

約数ペア:

[(1, 21606008), (2, 10803004), (4, 5401502), (8, 2700751), (31, 696968), (62, 348484), (124, 174242), (248, 87121)]