21250024

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{6163}}^1$

素因数の和:6600

約数の個数: 16

約数和(自身を含む): 39942720

約数和(自身を除く): 18692696

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 6163, 12326, 24652, 49304, 2656253, 5312506, 10625012, 21250024]

約数ペア:

[(1, 21250024), (2, 10625012), (4, 5312506), (8, 2656253), (431, 49304), (862, 24652), (1724, 12326), (3448, 6163)]