21379274

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{49261}}^1$

素因数の和:49301

約数の個数: 16

約数和(自身を含む): 37833216

約数和(自身を除く): 16453942

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 49261, 98522, 344827, 689654, 1527091, 3054182, 10689637, 21379274]

約数ペア:

[(1, 21379274), (2, 10689637), (7, 3054182), (14, 1527091), (31, 689654), (62, 344827), (217, 98522), (434, 49261)]