21384184

素因数分解:

$2^3\times {\mathrm{173}}^1\times {\mathrm{15451}}^1$

素因数の和:15630

約数の個数: 16

約数和(自身を含む): 40329720

約数和(自身を除く): 18945536

約数列:

[1, 2, 4, 8, 173, 346, 692, 1384, 15451, 30902, 61804, 123608, 2673023, 5346046, 10692092, 21384184]

約数ペア:

[(1, 21384184), (2, 10692092), (4, 5346046), (8, 2673023), (173, 123608), (346, 61804), (692, 30902), (1384, 15451)]