21620024

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{142237}}^1$

素因数の和:142262

約数の個数: 16

約数和(自身を含む): 42671400

約数和(自身を除く): 21051376

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 142237, 284474, 568948, 1137896, 2702503, 5405006, 10810012, 21620024]

約数ペア:

[(1, 21620024), (2, 10810012), (4, 5405006), (8, 2702503), (19, 1137896), (38, 568948), (76, 284474), (152, 142237)]