21416168

素因数分解:

$2^3\times {\mathrm{373}}^1\times {\mathrm{7177}}^1$

素因数の和:7556

約数の個数: 16

約数和(自身を含む): 40268580

約数和(自身を除く): 18852412

約数列:

[1, 2, 4, 8, 373, 746, 1492, 2984, 7177, 14354, 28708, 57416, 2677021, 5354042, 10708084, 21416168]

約数ペア:

[(1, 21416168), (2, 10708084), (4, 5354042), (8, 2677021), (373, 57416), (746, 28708), (1492, 14354), (2984, 7177)]