21947401

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 26046720

約数和(自身を除く): 4099319

約数列:

[1, 7, 37, 101, 259, 707, 839, 3737, 5873, 26159, 31043, 84739, 217301, 593173, 3135343, 21947401]

約数ペア:

[(1, 21947401), (7, 3135343), (37, 593173), (101, 217301), (259, 84739), (707, 31043), (839, 26159), (3737, 5873)]