21826240

素因数分解:

$2^6\times 5^1\times {\mathrm{68207}}^1$

素因数の和:68224

約数の個数: 28

約数和(自身を含む): 51974496

約数和(自身を除く): 30148256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 68207, 136414, 272828, 341035, 545656, 682070, 1091312, 1364140, 2182624, 2728280, 4365248, 5456560, 10913120, 21826240]

約数ペア:

[(1, 21826240), (2, 10913120), (4, 5456560), (5, 4365248), (8, 2728280), (10, 2182624), (16, 1364140), (20, 1091312), (32, 682070), (40, 545656), (64, 341035), (80, 272828), (160, 136414), (320, 68207)]