21988424

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{88663}}^1$

素因数の和:88700

約数の個数: 16

約数和(自身を含む): 42558720

約数和(自身を除く): 20570296

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 88663, 177326, 354652, 709304, 2748553, 5497106, 10994212, 21988424]

約数ペア:

[(1, 21988424), (2, 10994212), (4, 5497106), (8, 2748553), (31, 709304), (62, 354652), (124, 177326), (248, 88663)]