21484246

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5347}}^1$

素因数の和:5404

約数の個数: 24

約数和(自身を含む): 38409336

約数和(自身を除く): 16925090

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 5347, 10694, 37429, 74858, 219227, 262003, 438454, 524006, 1534589, 3069178, 10742123, 21484246]

約数ペア:

[(1, 21484246), (2, 10742123), (7, 3069178), (14, 1534589), (41, 524006), (49, 438454), (82, 262003), (98, 219227), (287, 74858), (574, 37429), (2009, 10694), (4018, 5347)]