21127995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67073}}^1$

素因数の和:67091

約数の個数: 24

約数和(自身を含む): 41854176

約数和(自身を除く): 20726181

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 67073, 201219, 335365, 469511, 603657, 1006095, 1408533, 2347555, 3018285, 4225599, 7042665, 21127995]

約数ペア:

[(1, 21127995), (3, 7042665), (5, 4225599), (7, 3018285), (9, 2347555), (15, 1408533), (21, 1006095), (35, 603657), (45, 469511), (63, 335365), (105, 201219), (315, 67073)]